diff --git a/src/en/catmanga/build.gradle b/src/en/catmanga/build.gradle
index ba22b1548..926a7d204 100644
--- a/src/en/catmanga/build.gradle
+++ b/src/en/catmanga/build.gradle
@@ -6,7 +6,7 @@ ext {
     extName = 'CatManga'
     pkgNameSuffix = "en.catmanga"
     extClass = '.CatManga'
-    extVersionCode = 4
+    extVersionCode = 5
 }
 
 apply from: "$rootDir/common.gradle"
diff --git a/src/en/catmanga/src/eu/kanade/tachiyomi/extension/en/catmanga/CatData.kt b/src/en/catmanga/src/eu/kanade/tachiyomi/extension/en/catmanga/CatData.kt
new file mode 100644
index 000000000..f4e4e8d86
--- /dev/null
+++ b/src/en/catmanga/src/eu/kanade/tachiyomi/extension/en/catmanga/CatData.kt
@@ -0,0 +1,60 @@
+package eu.kanade.tachiyomi.extension.en.catmanga
+
+import eu.kanade.tachiyomi.source.model.SManga
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class CatSeries(
+    val alt_titles: List<String>,
+    val authors: List<String>,
+    val genres: List<String>,
+    val chapters: List<CatSeriesChapter>,
+    val title: String,
+    val series_id: String,
+    val description: String,
+    val status: String,
+    val cover_art: CatSeriesCover,
+    val all_covers: List<CatSeriesCover>
+) {
+    fun toSManga() = this.let { series ->
+        SManga.create().apply {
+            url = "/series/${series.series_id}"
+            title = series.title
+            thumbnail_url = series.cover_art.source
+            author = series.authors.joinToString(", ")
+            description = series.description
+            genre = series.genres.joinToString(", ")
+            status = when (series.status) {
+                "ongoing" -> SManga.ONGOING
+                "completed" -> SManga.COMPLETED
+                else -> SManga.UNKNOWN
+            }
+
+            if (chapters.isEmpty()) {
+                description = "[COMING SOON] $description"
+            }
+            if (alt_titles.isNotEmpty()) {
+                description += "\n\nAlternative titles:\n"
+                alt_titles.forEach {
+                    description += "• $it\n"
+                }
+            }
+        }
+    }
+}
+
+@Serializable
+data class CatSeriesChapter(
+    val title: String? = null,
+    val groups: List<String>,
+    val number: Float,
+    val display_number: String? = null,
+    val volume: Int? = null
+)
+
+@Serializable
+data class CatSeriesCover(
+    val source: String,
+    val width: Int,
+    val height: Int
+)
diff --git a/src/en/catmanga/src/eu/kanade/tachiyomi/extension/en/catmanga/CatManga.kt b/src/en/catmanga/src/eu/kanade/tachiyomi/extension/en/catmanga/CatManga.kt
index 9735e852f..9308f4057 100644
--- a/src/en/catmanga/src/eu/kanade/tachiyomi/extension/en/catmanga/CatManga.kt
+++ b/src/en/catmanga/src/eu/kanade/tachiyomi/extension/en/catmanga/CatManga.kt
@@ -10,128 +10,120 @@ import eu.kanade.tachiyomi.source.model.SChapter
 import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.util.asJsoup
-import kotlinx.serialization.Serializable
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
-import kotlinx.serialization.json.JsonElement
-import kotlinx.serialization.json.JsonPrimitive
 import kotlinx.serialization.json.decodeFromJsonElement
 import kotlinx.serialization.json.jsonObject
-import okhttp3.MediaType.Companion.toMediaType
-import okhttp3.Protocol
+import okhttp3.Request
 import okhttp3.Response
-import okhttp3.ResponseBody.Companion.toResponseBody
 import org.jsoup.nodes.Document
 import rx.Observable
 import uy.kohesive.injekt.injectLazy
-import java.net.HttpURLConnection
 
+@ExperimentalSerializationApi
 class CatManga : HttpSource() {
 
     private val application: Application by injectLazy()
 
     override val name = "CatManga"
     override val baseUrl = "https://catmanga.org"
-    override val supportsLatest = true
+    override val supportsLatest = false
     override val lang = "en"
     private val json: Json by injectLazy()
 
-    private lateinit var seriesCache: LinkedHashMap<String, JsonSeries> // LinkedHashMap to preserve insertion order
-    private lateinit var latestSeries: List<String>
-    override val client = super.client.newBuilder().addInterceptor { chain ->
-        // An interceptor which facilitates caching the data retrieved from the homepage
-        when (chain.request().url) {
-            doNothingRequest.url -> Response.Builder().body(
-                "".toResponseBody("text/plain; charset=utf-8".toMediaType())
-            ).code(HttpURLConnection.HTTP_NO_CONTENT).message("").protocol(Protocol.HTTP_1_0).request(chain.request()).build()
-            homepageRequest.url -> {
-                /* Homepage embeds a Json Object with information about every single series in the service */
-                val response = chain.proceed(chain.request())
-                val responseBody = response.peekBody(Long.MAX_VALUE).string()
-                val seriesList = response.asJsoup(responseBody).getDataJsonObject()["props"]!!.jsonObject["pageProps"]!!.jsonObject["series"]!!
-                val latests = response.asJsoup(responseBody).getDataJsonObject()["props"]!!.jsonObject["pageProps"]!!.jsonObject["latests"]!!
-                seriesCache = linkedMapOf(
-                    *json.decodeFromJsonElement<List<JsonSeries>>(seriesList).map { it.series_id to it }.toTypedArray()
-                )
-                latestSeries = json.decodeFromJsonElement<List<List<JsonElement>>>(latests).map { json.decodeFromJsonElement<JsonSeries>(it[0]).series_id }
-                response
-            }
-            else -> chain.proceed(chain.request())
-        }
-    }.build()
+    private val allSeriesRequest = GET("$baseUrl/api/series/allSeries")
 
-    private val homepageRequest = GET(baseUrl)
-    private val doNothingRequest = GET("https://dev.null")
+    override fun popularMangaRequest(page: Int) = allSeriesRequest
 
-    override fun searchMangaRequest(page: Int, query: String, filters: FilterList) = if (this::seriesCache.isInitialized) doNothingRequest else homepageRequest
-    override fun popularMangaRequest(page: Int) = if (this::seriesCache.isInitialized) doNothingRequest else homepageRequest
-    override fun latestUpdatesRequest(page: Int) = if (this::seriesCache.isInitialized) doNothingRequest else homepageRequest
-    override fun chapterListRequest(manga: SManga) = homepageRequest
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList) = allSeriesRequest
 
-    private fun idOf(manga: SManga) = manga.url.substringAfterLast("/")
     override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
         return client.newCall(searchMangaRequest(page, query, filters))
             .asObservableSuccess()
-            .map {
-                val manga = seriesCache.asSequence().map { it.value }.filter {
-                    if (query.startsWith(SERIES_ID_SEARCH_PREFIX)) {
-                        return@filter it.series_id.contains(query.removePrefix(SERIES_ID_SEARCH_PREFIX), true)
+            .map { response ->
+                val manga = json.decodeFromString<List<CatSeries>>(response.body!!.string())
+                    .filter {
+                        if (query.startsWith(SERIES_ID_SEARCH_PREFIX)) {
+                            return@filter it.series_id.contains(query.removePrefix(SERIES_ID_SEARCH_PREFIX), true)
+                        }
+                        sequence { yieldAll(it.alt_titles); yield(it.title) }
+                            .any { title -> title.contains(query, true) }
                     }
-                    sequence { yieldAll(it.alt_titles); yield(it.title) }
-                        .any { title -> title.contains(query, true) }
-                }.map { it.toSManga() }.toList()
-
+                    .map { it.toSManga() }
+                    .toList()
                 MangasPage(manga, false)
             }
     }
 
-    override fun fetchMangaDetails(manga: SManga): Observable<SManga> = client.newCall(homepageRequest)
-        .asObservableSuccess()
-        .map { seriesCache[idOf(manga)]?.toSManga() ?: manga }
-
-    override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
+    override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
         val seriesId = manga.url.substringAfter("/series/")
-        return client.newCall(chapterListRequest(manga))
+        return client.newCall(allSeriesRequest)
             .asObservableSuccess()
-            .map {
-                val seriesPrefs = application.getSharedPreferences("source_${id}_time_found:$seriesId", 0)
-                val seriesPrefsEditor = seriesPrefs.edit()
-                val cl = seriesCache[idOf(manga)]!!.chapters.asReversed().map {
-                    val title = it.title ?: ""
-                    val groups = it.groups.joinToString(", ")
-                    val number = it.number.content
-                    val displayNumber = it.display_number ?: number
-                    SChapter.create().apply {
-                        url = "${manga.url}/$number"
-                        chapter_number = number.toFloat()
-                        name = "Chapter $displayNumber" + if (title.isNotBlank()) " - $title" else ""
-                        scanlator = groups
-
-                        // Save current time when a chapter is found for the first time, and reuse it on future checks to
-                        // prevent manga entry without any new chapter bumped to the top of "Latest chapter" list
-                        // when the library is updated.
-                        val currentTimeMillis = System.currentTimeMillis()
-                        if (!seriesPrefs.contains(number)) {
-                            seriesPrefsEditor.putLong(number, currentTimeMillis)
-                        }
-                        date_upload = seriesPrefs.getLong(number, currentTimeMillis)
-                    }
-                }
-                seriesPrefsEditor.apply()
-                cl
+            .map { response ->
+                json.decodeFromString<List<CatSeries>>(response.body!!.string())
+                    .find { it.series_id == seriesId }
+                    ?.toSManga() ?: manga
             }
     }
 
-    override fun popularMangaParse(response: Response) = MangasPage(seriesCache.map { it.value.toSManga() }, false)
+    override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
+        val seriesId = manga.url.substringAfter("/series/")
+        return client.newCall(allSeriesRequest)
+            .asObservableSuccess()
+            .map { response ->
+                val seriesPrefs = application.getSharedPreferences("source_${id}_time_found:$seriesId", 0)
+                val seriesPrefsEditor = seriesPrefs.edit()
+                val chapters = json.decodeFromString<List<CatSeries>>(response.body!!.string())
+                    .find { it.series_id == seriesId }!!
+                    .chapters
+                    .asReversed()
+                    .map { chapter ->
+                        val title = chapter.title ?: ""
+                        val groups = chapter.groups.joinToString(", ")
+                        val numberUrl = chapter.number.chapterNumberToUrlPath()
+                        val displayNumber = chapter.display_number ?: numberUrl
+                        SChapter.create().apply {
+                            url = "${manga.url}/$numberUrl"
+                            chapter_number = chapter.number
+                            scanlator = groups
 
-    override fun latestUpdatesParse(response: Response) = MangasPage(
-        latestSeries.map { seriesCache[it]!!.toSManga() },
-        false
-    )
+                            name = if (chapter.volume != null) {
+                                "Vol.${chapter.volume} "
+                            } else {
+                                ""
+                            }
+                            name += "Ch.$displayNumber"
+                            if (title.isNotBlank()) {
+                                name += " - $title"
+                            }
+
+                            // Save current time when a chapter is found for the first time, and reuse it on future
+                            // checks to prevent manga entry without any new chapter bumped to the top of
+                            // "Latest chapter" list when the library is updated.
+                            val currentTimeMillis = System.currentTimeMillis()
+                            if (!seriesPrefs.contains(numberUrl)) {
+                                seriesPrefsEditor.putLong(numberUrl, currentTimeMillis)
+                            }
+                            date_upload = seriesPrefs.getLong(numberUrl, currentTimeMillis)
+                        }
+                    }
+                seriesPrefsEditor.apply()
+                chapters
+            }
+    }
+
+    override fun popularMangaParse(response: Response): MangasPage {
+        val mangas = json.decodeFromString<List<CatSeries>>(response.body!!.string()).map { it.toSManga() }
+        return MangasPage(mangas, false)
+    }
 
     override fun pageListParse(response: Response): List<Page> {
-        return json.decodeFromJsonElement<List<String>>(response.asJsoup().getDataJsonObject()["props"]!!.jsonObject["pageProps"]!!.jsonObject["pages"]!!).mapIndexed { index, s ->
-            Page(index, "", s)
-        }
+        val jsonElement = response.asJsoup()
+            .getDataJsonObject()["props"]!!
+            .jsonObject["pageProps"]!!
+            .jsonObject["pages"]!!
+        return json.decodeFromJsonElement<List<String>>(jsonElement).mapIndexed { index, s -> Page(index, "", s) }
     }
 
     /**
@@ -139,6 +131,21 @@ class CatManga : HttpSource() {
      */
     private fun Document.getDataJsonObject() = json.parseToJsonElement(getElementById("__NEXT_DATA__").html()).jsonObject
 
+    /**
+     * Returns string without decimal when it is not relevant
+     */
+    private fun Float.chapterNumberToUrlPath(): String {
+        return if (toInt().toFloat() == this) toInt().toString() else toString()
+    }
+
+    override fun latestUpdatesRequest(page: Int): Request {
+        throw UnsupportedOperationException("Not used.")
+    }
+
+    override fun latestUpdatesParse(response: Response): MangasPage {
+        throw UnsupportedOperationException("Not used.")
+    }
+
     override fun mangaDetailsParse(response: Response): SManga {
         throw UnsupportedOperationException("Not used.")
     }
@@ -159,28 +166,3 @@ class CatManga : HttpSource() {
         const val SERIES_ID_SEARCH_PREFIX = "series_id:"
     }
 }
-
-@Serializable
-private data class JsonImage(val source: String, val width: Int, val height: Int)
-
-@Serializable
-private data class JsonChapter(val title: String? = null, val groups: List<String>, val number: JsonPrimitive, val display_number: String? = null, val volume: Int? = null)
-
-@Serializable
-private data class JsonSeries(val alt_titles: List<String>, val authors: List<String>, val genres: List<String>, val chapters: List<JsonChapter>, val title: String, val series_id: String, val description: String, val status: String, val cover_art: JsonImage, val all_covers: List<JsonImage>) {
-    fun toSManga() = this.let { jsonSeries ->
-        SManga.create().apply {
-            url = "/series/${jsonSeries.series_id}"
-            title = jsonSeries.title
-            thumbnail_url = jsonSeries.cover_art.source
-            author = jsonSeries.authors.joinToString(", ")
-            description = jsonSeries.description
-            genre = jsonSeries.genres.joinToString(", ")
-            status = when (jsonSeries.status) {
-                "ongoing" -> SManga.ONGOING
-                "completed" -> SManga.COMPLETED
-                else -> SManga.UNKNOWN
-            }
-        }
-    }
-}