diff --git a/app/build.gradle b/app/build.gradle
index 415b38c7..5d545827 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -19,8 +19,8 @@ android {
         applicationId "xyz.quaver.pupil"
         minSdkVersion 16
         targetSdkVersion 29
-        versionCode 53
-        versionName "4.18"
+        versionCode 54
+        versionName "4.18.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         multiDexEnabled true
         vectorDrawables.useSupportLibrary = true
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index efbc5792..92f0fd7a 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -32,4 +32,7 @@
 }
 -keep class com.bumptech.glide.load.data.ParcelFileDescriptorRewinder$InternalRewinder {
   *** rewind();
-}
\ No newline at end of file
+}
+
+-keep public class * extends com.bumptech.glide.module.AppGlideModule
+-keep class com.bumptech.glide.GeneratedAppGlideModuleImpl
\ No newline at end of file
diff --git a/app/release/output.json b/app/release/output.json
index 246862e8..967b8923 100644
--- a/app/release/output.json
+++ b/app/release/output.json
@@ -11,8 +11,8 @@
       "type": "SINGLE",
       "filters": [],
       "properties": [],
-      "versionCode": 53,
-      "versionName": "53",
+      "versionCode": 54,
+      "versionName": "54",
       "enabled": true,
       "outputFile": "app-release.apk"
     }
diff --git a/app/src/main/java/xyz/quaver/pupil/adapters/ReaderAdapter.kt b/app/src/main/java/xyz/quaver/pupil/adapters/ReaderAdapter.kt
index d008e837..a6505838 100644
--- a/app/src/main/java/xyz/quaver/pupil/adapters/ReaderAdapter.kt
+++ b/app/src/main/java/xyz/quaver/pupil/adapters/ReaderAdapter.kt
@@ -22,9 +22,12 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.preference.PreferenceManager
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.RequestManager
 import com.bumptech.glide.load.engine.DiskCacheStrategy
+import com.bumptech.glide.load.model.GlideUrl
+import com.bumptech.glide.load.model.LazyHeaders
 import com.google.android.material.snackbar.Snackbar
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.android.synthetic.main.activity_reader.view.*
@@ -32,8 +35,15 @@ import kotlinx.android.synthetic.main.item_reader.view.*
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import xyz.quaver.Code
 import xyz.quaver.hitomi.Reader
+import xyz.quaver.hitomi.getReferer
+import xyz.quaver.hitomi.imageUrlFromImage
+import xyz.quaver.hiyobi.cookie
+import xyz.quaver.hiyobi.createImgList
+import xyz.quaver.hiyobi.user_agent
 import xyz.quaver.pupil.R
+import xyz.quaver.pupil.util.download.Cache
 import xyz.quaver.pupil.util.download.DownloadWorker
 import java.util.*
 import kotlin.concurrent.schedule
@@ -88,58 +98,89 @@ class ReaderAdapter(private val glide: RequestManager,
 
         holder.view.reader_index.text = (position+1).toString()
 
-        val image = downloadWorker!!.results[galleryID]?.get(position)
-        val progress = downloadWorker!!.progress[galleryID]?.get(position)
-
-        if (progress?.isInfinite() == true && image != null) {
-            holder.view.reader_item_progressbar.visibility = View.INVISIBLE
+        val preferences = PreferenceManager.getDefaultSharedPreferences(holder.view.context)
+        if (preferences.getBoolean("cache_disable", false)) {
+            val lowQuality = preferences.getBoolean("low_quality", false)
 
+            val url = when (reader!!.code) {
+                Code.HITOMI ->
+                    GlideUrl(
+                        imageUrlFromImage(
+                            galleryID,
+                            reader!!.galleryInfo.files[position],
+                            !lowQuality
+                        )
+                    , LazyHeaders.Builder().addHeader("Referer", getReferer(galleryID)).build())
+                Code.HIYOBI ->
+                    GlideUrl(createImgList(galleryID, reader!!, lowQuality)[position].path, LazyHeaders.Builder()
+                        .addHeader("User-Agent", user_agent)
+                        .addHeader("Cookie", cookie)
+                        .build())
+                else -> null
+            }
             holder.view.image.post {
                 glide
-                    .load(image)
+                    .load(url!!)
                     .diskCacheStrategy(DiskCacheStrategy.NONE)
-                    .skipMemoryCache(true)
+                    .skipMemoryCache(false)
                     .fitCenter()
                     .error(R.drawable.image_broken_variant)
                     .into(holder.view.image)
             }
-
         } else {
-            holder.view.reader_item_progressbar.visibility = View.VISIBLE
+            val image = Cache(holder.view.context).getImage(galleryID, position)
+            val progress = downloadWorker!!.progress[galleryID]?.get(position)
 
-            glide.clear(holder.view.image)
+            if (progress?.isInfinite() == true && image != null) {
+                holder.view.reader_item_progressbar.visibility = View.INVISIBLE
 
-            if (progress?.isNaN() == true) {
-                FirebaseCrashlytics.getInstance().recordException(
-                    DownloadWorker.getInstance(holder.view.context).exception[galleryID]?.get(position)!!
-                )
+                holder.view.image.post {
+                    glide
+                        .load(image)
+                        .diskCacheStrategy(DiskCacheStrategy.NONE)
+                        .skipMemoryCache(true)
+                        .fitCenter()
+                        .error(R.drawable.image_broken_variant)
+                        .into(holder.view.image)
+                }
 
-                glide
-                    .load(R.drawable.image_broken_variant)
-                    .into(holder.view.image)
-
-                Snackbar.make(holder.view.reader_layout, R.string.reader_error_retry, Snackbar.LENGTH_SHORT).apply {
-                    setAction(android.R.string.no) { }
-                    setAction(android.R.string.yes) {
-                        downloadWorker!!.cancel(galleryID)
-                        downloadWorker!!.queue.add(galleryID)
-                    }
-                }.show()
-
-                return
             } else {
-                holder.view.reader_item_progressbar.progress =
-                    if (progress?.isInfinite() == true)
-                        100
-                    else
-                        progress?.roundToInt() ?: 0
+                holder.view.reader_item_progressbar.visibility = View.VISIBLE
 
-                holder.view.image.setImageDrawable(null)
-            }
+                glide.clear(holder.view.image)
 
-            timer.schedule(1000) {
-                CoroutineScope(Dispatchers.Main).launch {
-                    notifyItemChanged(position)
+                if (progress?.isNaN() == true) {
+                    FirebaseCrashlytics.getInstance().recordException(
+                        DownloadWorker.getInstance(holder.view.context).exception[galleryID]?.get(position)!!
+                    )
+
+                    glide
+                        .load(R.drawable.image_broken_variant)
+                        .into(holder.view.image)
+
+                    Snackbar.make(holder.view.reader_layout, R.string.reader_error_retry, Snackbar.LENGTH_SHORT).apply {
+                        setAction(android.R.string.no) { }
+                        setAction(android.R.string.yes) {
+                            downloadWorker!!.cancel(galleryID)
+                            downloadWorker!!.queue.add(galleryID)
+                        }
+                    }.show()
+
+                    return
+                } else {
+                    holder.view.reader_item_progressbar.progress =
+                        if (progress?.isInfinite() == true)
+                            100
+                        else
+                            progress?.roundToInt() ?: 0
+
+                    holder.view.image.setImageDrawable(null)
+                }
+
+                timer.schedule(1000) {
+                    CoroutineScope(Dispatchers.Main).launch {
+                        notifyItemChanged(position)
+                    }
                 }
             }
         }
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt b/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt
index 65f37e9e..2a1aa3b0 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt
@@ -144,30 +144,6 @@ class MainActivity : AppCompatActivity() {
 
                 preference.edit().putBoolean("https_block_alert", true).apply()
             }
-
-            if (!preference.getBoolean("apcjsa_option", false)) {
-                android.app.AlertDialog.Builder(this).apply {
-                    setTitle(R.string.apcjsa_option_title)
-                    setMessage(R.string.apcjsa_option_message)
-                    setPositiveButton(android.R.string.yes) { _, _ ->
-                        val tags = Tags.parse(
-                            preference.getString("default_query", "") ?: ""
-                        )
-
-                        tags.add("-female:loli")
-                        tags.add("-male:shota")
-
-                        preference.edit()
-                            .putString("default_query", tags.toString())
-                            .putBoolean("cache_disable", true)
-                            .putBoolean("apcjsa_option", true)
-                            .apply()
-                    }
-                    setNegativeButton(android.R.string.no) { _, _ -> }
-                }.show()
-
-                preference.edit().putBoolean("apcjsa_option", true).apply()
-            }
         }
 
         with(application as Pupil) {
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/ReaderActivity.kt b/app/src/main/java/xyz/quaver/pupil/ui/ReaderActivity.kt
index 7681698f..c4ce1917 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/ReaderActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/ReaderActivity.kt
@@ -39,6 +39,9 @@ import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.android.synthetic.main.activity_reader.*
 import kotlinx.android.synthetic.main.activity_reader.view.*
 import kotlinx.android.synthetic.main.dialog_numberpicker.view.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import xyz.quaver.Code
 import xyz.quaver.pupil.Pupil
 import xyz.quaver.pupil.R
@@ -99,7 +102,36 @@ class ReaderActivity : AppCompatActivity() {
         }
 
         initView()
-        initDownloader()
+        if (PreferenceManager.getDefaultSharedPreferences(this).getBoolean("cache_disable", false)) {
+            reader_download_progressbar.visibility = View.GONE
+            CoroutineScope(Dispatchers.IO).launch {
+                val reader = Cache(this@ReaderActivity).getReader(galleryID)
+
+                launch(Dispatchers.Main) initDownloader@{
+                    if (reader == null) {
+                        Snackbar
+                            .make(reader_layout, R.string.reader_failed_to_find_gallery, Snackbar.LENGTH_INDEFINITE)
+                            .show()
+                        return@initDownloader
+                    }
+
+                    (reader_recyclerview.adapter as ReaderAdapter).apply {
+                        this.reader = reader
+                        notifyDataSetChanged()
+                    }
+                    title = reader.galleryInfo.title ?: ""
+                    menu?.findItem(R.id.reader_menu_page_indicator)?.title = "$currentPage/${reader.galleryInfo.files.size}"
+
+                    menu?.findItem(R.id.reader_type)?.icon = ContextCompat.getDrawable(this@ReaderActivity,
+                        when (reader.code) {
+                            Code.HITOMI -> R.drawable.hitomi
+                            Code.HIYOBI -> R.drawable.ic_hiyobi
+                            else -> android.R.color.transparent
+                        })
+                }
+            }
+        } else
+            initDownloader()
     }
 
     override fun onNewIntent(intent: Intent) {
diff --git a/app/src/main/java/xyz/quaver/pupil/util/download/Cache.kt b/app/src/main/java/xyz/quaver/pupil/util/download/Cache.kt
index deb4c25c..51389012 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/download/Cache.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/download/Cache.kt
@@ -34,8 +34,10 @@ import xyz.quaver.pupil.util.getCachedGallery
 import xyz.quaver.pupil.util.getDownloadDirectory
 import xyz.quaver.pupil.util.isParentOf
 import xyz.quaver.pupil.util.json
+import java.io.BufferedInputStream
 import java.io.File
 import java.io.FileOutputStream
+import java.io.InputStream
 import java.net.URL
 import java.util.*
 import java.util.concurrent.locks.Lock
@@ -250,7 +252,7 @@ class Cache(context: Context) : ContextWrapper(context) {
     }
 
 
-    fun putImage(galleryID: Int, index: Int, ext: String, data: ByteArray) {
+    fun putImage(galleryID: Int, index: Int, ext: String, data: InputStream) {
         if (preference.getBoolean("cache_disable", false))
             return
 
@@ -260,8 +262,10 @@ class Cache(context: Context) : ContextWrapper(context) {
         }
 
         try {
-            FileOutputStream(cache).use {
-                it.write(data)
+            BufferedInputStream(data).use { inputStream ->
+                FileOutputStream(cache).use { outputStream ->
+                    inputStream.copyTo(outputStream)
+                }
             }
         } catch (e: Exception) {
             cache.delete()
diff --git a/app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt b/app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt
index 587a51c8..4ff09b62 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt
@@ -143,7 +143,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
     *  null -> Download in progress / Loading
     */
     val exception = SparseArray<MutableList<Throwable?>?>()
-    val results = SparseArray<MutableList<ByteArray?>?>()
     val notification = SparseArray<NotificationCompat.Builder>()
 
     private val loop = loop()
@@ -196,7 +195,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
 
         progress.clear()
         exception.clear()
-        results.clear()
         notification.clear()
         notificationManager.cancelAll()
     }
@@ -213,7 +211,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
 
         progress.remove(galleryID)
         exception.remove(galleryID)
-        results.remove(galleryID)
         notification.remove(galleryID)
         notificationManager.cancel(galleryID)
 
@@ -262,7 +259,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
         if (reader == null) {
             progress.put(galleryID, null)
             exception.put(galleryID, null)
-            results.put(galleryID, null)
 
             Cache(this@DownloadWorker).setDownloading(galleryID, false)
             return@launch
@@ -277,9 +273,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
                 0F
         }.toMutableList())
         exception.put(galleryID, reader.galleryInfo.files.map { null }.toMutableList())
-        results.put(galleryID, reader.galleryInfo.files.indices.map { index ->
-            cache?.firstOrNull { it?.nameWithoutExtension?.toIntOrNull()  == index }?.readBytes()
-        }.toMutableList())
 
         if (notification[galleryID] == null)
             initNotification(galleryID)
@@ -329,19 +322,13 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
 
                     try {
                         response.body().use {
-                            it!!
-
-                            results[galleryID]?.set(i, it.source().readByteArray())
+                            Cache(this@DownloadWorker).putImage(galleryID, i, ext, it!!.byteStream())
                         }
                         progress[galleryID]?.set(i, Float.POSITIVE_INFINITY)
 
                         notify(galleryID)
 
                         CoroutineScope(Dispatchers.IO).launch {
-                            results[galleryID]?.get(i)?.also {
-                                Cache(this@DownloadWorker).putImage(galleryID, i, ext, it)
-                            }
-
                             if (isCompleted(galleryID)) {
                                 with(Cache(this@DownloadWorker)) {
                                     if (isDownloading(galleryID)) {
diff --git a/app/src/main/java/xyz/quaver/pupil/util/update.kt b/app/src/main/java/xyz/quaver/pupil/util/update.kt
index 406837cd..758357c9 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/update.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/update.kt
@@ -319,7 +319,7 @@ fun importOldGalleries(context: Context, folder: File) = CoroutineScope(Dispatch
             @Suppress("NAME_SHADOWING")
             val index = it.nameWithoutExtension.toIntOrNull() ?: return@forEach
 
-            Cache(context).putImage(galleryID, index, it.extension, it.readBytes())
+            Cache(context).putImage(galleryID, index, it.extension, it.inputStream())
         }
     }
 
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 34dd3810..9a0f825e 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -146,8 +146,6 @@
     <string name="default_query_dialog_filter_loli">登場人物を全て18歳以上にする</string>
     <string name="settings_cache_disable">キャッシュを使用しない</string>
     <string name="settings_download_when_cache_disable_warning">キャッシュを使用しないため、ダウンロードできません</string>
-    <string name="apcjsa_option_title">(Korean only)</string>
-    <string name="apcjsa_option_message">(Korean only)</string>
     <string name="settings_user_id">ユーザーID</string>
     <string name="settings_user_id_toast">ユーザーIDをクリップボードにコピーしました</string>
     <string name="reader_error_retry">ダウンロードエラーが発生しました。リトライしますか？</string>
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index e4321f2c..fb18e2a7 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -146,8 +146,6 @@
     <string name="default_query_dialog_filter_loli">판사님 저는 페도가 아닙니다</string>
     <string name="settings_cache_disable">캐시 비활성화</string>
     <string name="settings_download_when_cache_disable_warning">캐시를 활성화 해야 다운로드를 진행할 수 있습니다</string>
-    <string name="apcjsa_option_title">아청법 대응 옵션 추가</string>
-    <string name="apcjsa_option_message">경찰서 정모 확률을 줄여보고자 캐시 비활성화/태그 필터를 추가하였습니다. 적용하시겠습니까?</string>
     <string name="settings_user_id">유저 ID</string>
     <string name="settings_user_id_toast">유저 ID를 클립보드에 복사했습니다</string>
     <string name="reader_error_retry">다운로드 에러가 발생했습니다. 재시도 하시겠습니까?</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3028ed1a..531e9997 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -27,9 +27,6 @@
     <string name="https_block_alert_title">(Korean only)</string>
     <string name="https_block_alert">(Korean only)</string>
 
-    <string name="apcjsa_option_title">(Korean only)</string>
-    <string name="apcjsa_option_message">(Korean only)</string>
-
     <string name="update_failed">Update failed</string>
     <string name="update_failed_message">Please install manually by visiting github release page :{ (or try again!)</string>
     <string name="update_no_permission">Cannot auto update because permission is denied. Please download manually from the webpage.</string>
diff --git a/libpupil/src/main/java/xyz/quaver/Code.kt b/libpupil/src/main/java/xyz/quaver/Code.kt
index 5f9364f2..0251d817 100644
--- a/libpupil/src/main/java/xyz/quaver/Code.kt
+++ b/libpupil/src/main/java/xyz/quaver/Code.kt
@@ -19,6 +19,5 @@ package xyz.quaver
 
 enum class Code {
     HITOMI,
-    HIYOBI,
-    SORALA
+    HIYOBI
 }
\ No newline at end of file