diff --git a/src/zh/rumanhua/build.gradle b/src/zh/rumanhua/build.gradle
new file mode 100644
index 000000000..06aab7590
--- /dev/null
+++ b/src/zh/rumanhua/build.gradle
@@ -0,0 +1,8 @@
+ext {
+    extName = 'Rumanhua'
+    extClass = '.Rumanhua'
+    extVersionCode = 1
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/zh/rumanhua/res/mipmap-hdpi/ic_launcher.png b/src/zh/rumanhua/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000..e48d1a42c
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diff --git a/src/zh/rumanhua/res/mipmap-mdpi/ic_launcher.png b/src/zh/rumanhua/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 000000000..1dc85beac
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diff --git a/src/zh/rumanhua/res/mipmap-xhdpi/ic_launcher.png b/src/zh/rumanhua/res/mipmap-xhdpi/ic_launcher.png
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index 000000000..ee90280d4
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diff --git a/src/zh/rumanhua/res/mipmap-xxhdpi/ic_launcher.png b/src/zh/rumanhua/res/mipmap-xxhdpi/ic_launcher.png
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index 000000000..e82c7ea1f
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diff --git a/src/zh/rumanhua/res/mipmap-xxxhdpi/ic_launcher.png b/src/zh/rumanhua/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/zh/rumanhua/src/eu/kanade/tachiyomi/extension/zh/rumanhua/PageDecrypt.kt b/src/zh/rumanhua/src/eu/kanade/tachiyomi/extension/zh/rumanhua/PageDecrypt.kt
new file mode 100644
index 000000000..cabfb829b
--- /dev/null
+++ b/src/zh/rumanhua/src/eu/kanade/tachiyomi/extension/zh/rumanhua/PageDecrypt.kt
@@ -0,0 +1,111 @@
+package eu.kanade.tachiyomi.extension.zh.rumanhua
+
+import android.util.Base64
+import org.jsoup.nodes.Document
+
+// all2.js?v=2.3
+class PageDecrypt {
+    private val SCRIPT_PATTERN = "eval(function(p,a,c,k,e,d)"
+    private val CONTENT_MARKER = "var __c0rst96=\""
+
+    fun toDecrypt(document: Document): String {
+        document.head().select("script").forEach { script ->
+            val scriptStr = script.data().trim()
+            if (scriptStr.startsWith(SCRIPT_PATTERN)) {
+                val obf = obfuscate(extractPackerParams(scriptStr)).substringAfter(CONTENT_MARKER)
+                    .trimEnd('"')
+
+                val selectedIndex =
+                    document.selectFirst("div.readerContainer")?.attr("data-id")?.toIntOrNull()
+                        ?: throw IllegalArgumentException("Invalid container index")
+
+                return decryptToString(obf, selectedIndex)
+            }
+        }
+        throw IllegalArgumentException("No valid script found for decryption")
+    }
+
+    private fun decryptToString(encodedContent: String, selectedIndex: Int): String {
+        val boundedIndex = selectedIndex.coerceIn(0, 9)
+        val xorKeyEncoded = getEncodedKeyForIndex(boundedIndex)
+        val xorKey = base64Decode(xorKeyEncoded)
+        val encryptedContent = base64Decode(encodedContent)
+        val keyLength = xorKey.length
+        val xoredString = StringBuilder(encryptedContent.length)
+
+        for (i in encryptedContent.indices) {
+            val k = i % keyLength
+            val xoredChar = encryptedContent[i].code xor xorKey[k].code
+            xoredString.append(xoredChar.toChar())
+        }
+
+        return base64Decode(xoredString.toString())
+    }
+
+    private fun getEncodedKeyForIndex(index: Int): String {
+        return when (index) {
+            0 -> "c21raHkyNTg="
+            1 -> "c21rZDk1ZnY="
+            2 -> "bWQ0OTY5NTI="
+            3 -> "Y2Rjc2R3cQ=="
+            4 -> "dmJmc2EyNTY="
+            5 -> "Y2F3ZjE1MWM="
+            6 -> "Y2Q1NmN2ZGE="
+            7 -> "OGtpaG50OQ=="
+            8 -> "ZHNvMTV0bG8="
+            9 -> "NWtvNnBsaHk="
+            else -> ""
+        }
+    }
+
+    private fun base64Decode(input: String): String {
+        if (input.isEmpty()) return input
+        return String(Base64.decode(input, Base64.DEFAULT))
+    }
+
+    private fun obfuscate(pl: PackerPayload): String {
+        fun eFunction(c: Int): String {
+            return if (c < pl.a) {
+                if (c > 35) {
+                    (c + 29).toChar().toString()
+                } else {
+                    c.toString(36)
+                }
+            } else {
+                eFunction(c / pl.a) + if (c % pl.a > 35) {
+                    (c % pl.a + 29).toChar().toString()
+                } else {
+                    (c % pl.a).toString(36)
+                }
+            }
+        }
+
+        val d = mutableMapOf<String, String>()
+        var tempC = pl.c
+        while (tempC-- > 0) {
+            d[eFunction(tempC)] = pl.k.getOrElse(tempC) { eFunction(tempC) }
+        }
+
+        var result = pl.p
+        tempC = pl.c
+        while (tempC-- > 0) {
+            val key = eFunction(tempC)
+            val replacement = d[key] ?: ""
+            result = result.replace(Regex("\\b${Regex.escape(key)}\\b"), replacement)
+        }
+
+        return result
+    }
+
+    private class PackerPayload(val p: String, val a: Int, val c: Int, val k: List<String>)
+
+    private fun extractPackerParams(source: String): PackerPayload {
+        val args = source.substringAfter("}(").substringBefore(".split('|')").split(",")
+        return PackerPayload(
+            args[0].trim('\''),
+            args[1].toInt(),
+            args[2].toInt(),
+            args[3].trim('\'').split("|"),
+        )
+    }
+}
diff --git a/src/zh/rumanhua/src/eu/kanade/tachiyomi/extension/zh/rumanhua/Rumanhua.kt b/src/zh/rumanhua/src/eu/kanade/tachiyomi/extension/zh/rumanhua/Rumanhua.kt
new file mode 100644
index 000000000..e85fc7ad0
--- /dev/null
+++ b/src/zh/rumanhua/src/eu/kanade/tachiyomi/extension/zh/rumanhua/Rumanhua.kt
@@ -0,0 +1,323 @@
+package eu.kanade.tachiyomi.extension.zh.rumanhua
+
+import android.content.SharedPreferences
+import androidx.preference.EditTextPreference
+import androidx.preference.PreferenceScreen
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.network.POST
+import eu.kanade.tachiyomi.source.ConfigurableSource
+import eu.kanade.tachiyomi.source.model.Filter
+import eu.kanade.tachiyomi.source.model.FilterList
+import eu.kanade.tachiyomi.source.model.MangasPage
+import eu.kanade.tachiyomi.source.model.Page
+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 keiyoushi.utils.getPreferences
+import keiyoushi.utils.jsonInstance
+import keiyoushi.utils.parseAs
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.JsonElement
+import kotlinx.serialization.json.decodeFromJsonElement
+import okhttp3.FormBody
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.Response
+import okio.IOException
+
+class Rumanhua : HttpSource(), ConfigurableSource {
+    override val lang: String = "zh"
+    override val name: String = "如漫画"
+    override val supportsLatest = true
+
+    private val preferences: SharedPreferences = getPreferences()
+
+    override val baseUrl: String = getTargetUrl()
+
+    override val client: OkHttpClient = network.cloudflareClient
+
+    private fun getTargetUrl(): String {
+        val defaultUrl = "http://www.rumanhua1.com"
+        val url = preferences.getString(APP_CUSTOMIZATION_URL, defaultUrl)!!
+        if (url.isNotBlank()) {
+            return url
+        }
+        return defaultUrl
+    }
+
+    // Chapters
+
+    override fun chapterListParse(response: Response): List<SChapter> {
+        val document = response.asJsoup()
+
+        val lis = mutableListOf<SChapter>()
+        document.select("div.forminfo > div.chapterList > div.chapterlistload > ul > a")
+            .forEach { element ->
+                lis.add(
+                    SChapter.create().apply {
+                        name = element.text()
+                        setUrlWithoutDomain(element.absUrl("href"))
+                    },
+                )
+            }
+
+        // get more chapter ...
+        val bid = response.request.url.pathSegments[0]
+        val body = FormBody.Builder().add("id", bid).build()
+        val moreRequest = POST("$baseUrl/morechapter", headers, body)
+        val moreResponse = client.newCall(moreRequest).execute()
+        if (!moreResponse.isSuccessful) {
+            throw IOException("Request failed: ${moreRequest.url}")
+        }
+
+        val moreChapter = moreResponse.parseAs<MoreChapter>()
+        if (moreChapter.code == "200") {
+            jsonInstance.decodeFromJsonElement<List<MoreChapterInfo>>(moreChapter.data).forEach {
+                lis.add(
+                    SChapter.create().apply {
+                        name = it.chaptername
+                        url = "/$bid/${it.chapterid}.html"
+                    },
+                )
+            }
+        }
+
+        return lis
+    }
+
+    @Serializable
+    private class MoreChapter(
+        val code: String,
+        val msg: String,
+        val data: JsonElement,
+    )
+
+    @Serializable
+    private class MoreChapterInfo(
+        val chapterid: String,
+        val chaptername: String,
+    )
+
+    override fun imageUrlParse(response: Response): String = throw UnsupportedOperationException()
+
+    // Latest
+
+    override fun latestUpdatesParse(response: Response): MangasPage = popularMangaParse(response)
+
+    override fun latestUpdatesRequest(page: Int): Request = GET("$baseUrl/rank/5", headers)
+
+    // Details
+
+    override fun mangaDetailsParse(response: Response): SManga {
+        val document = response.asJsoup()
+
+        val info = document.selectFirst("div.forminfo > div.comicInfo")!!
+
+        return SManga.create().apply {
+            info.select("div.detinfo > p").forEach { element ->
+                when (element.attr("class")) {
+                    "gray" -> {
+                        element.select("span").forEach { span ->
+                            val spanText = span.text()
+                            val dgenre =
+                                removePrefixAndCheck(spanText, "标 签：")?.replace(" ", ", ")
+                            if (dgenre != null) {
+                                genre = dgenre
+                            } else {
+                                status = when (removePrefixAndCheck(spanText, "状 态：")) {
+                                    "连载中" -> SManga.ONGOING
+                                    "已完结" -> SManga.COMPLETED
+                                    else -> SManga.UNKNOWN
+                                }
+                            }
+                        }
+                    }
+
+                    "content" -> {
+                        description = element.text()
+                    }
+
+                    else -> {
+                        element.select("span").forEach { span ->
+                            val dauthor = removePrefixAndCheck(span.text(), "作 者：")
+                            if (dauthor != null) {
+                                author = dauthor
+                            }
+                        }
+                    }
+                }
+            }
+            title = info.selectFirst("div.detinfo > h1")!!.text()
+            thumbnail_url = document.selectFirst("div.mhcover > div.himg > img")?.absUrl("data-src")
+        }
+    }
+
+    private fun removePrefixAndCheck(input: String, prefix: String): String? {
+        if (input.isEmpty() || prefix.isEmpty()) {
+            return null
+        }
+        if (input.startsWith(prefix)) {
+            return input.substring(prefix.length).trim()
+        }
+        return null
+    }
+
+    // Pages
+
+    private val pageDecrypt = PageDecrypt()
+
+    override fun pageListParse(response: Response): List<Page> {
+        val document = response.asJsoup()
+
+        val lis = mutableListOf<Page>()
+        pageDecrypt.toDecrypt(document).parseAs<List<String>>().forEachIndexed { index, img ->
+            lis.add(Page(index, imageUrl = img))
+        }
+
+        return lis
+    }
+
+    // Popular
+
+    override fun popularMangaParse(response: Response): MangasPage {
+        val document = response.asJsoup()
+
+        val lis = mutableListOf<SManga>()
+        document.select("div.float-r.rs-p > div.wholike > div.likedata").forEach { element ->
+            lis.add(
+                SManga.create().apply {
+                    title = element.selectFirst("div.likeinfo > a")!!.text()
+                    setUrlWithoutDomain(element.selectFirst("a")!!.absUrl("href"))
+                    thumbnail_url = element.selectFirst("img")?.absUrl("data-src")
+                },
+            )
+        }
+
+        return MangasPage(lis, false)
+    }
+
+    override fun popularMangaRequest(page: Int): Request = GET("$baseUrl/rank/1", headers)
+
+    // Search
+
+    override fun searchMangaParse(response: Response): MangasPage {
+        if (response.request.url.encodedPath != "/s") {
+            return popularMangaParse(response)
+        }
+
+        val document = response.asJsoup()
+
+        val lis = mutableListOf<SManga>()
+        document.select("div.item-data.s-data > div.col-auto").forEach { element ->
+            lis.add(
+                SManga.create().apply {
+                    title = element.selectFirst("a > p.e-title")!!.text()
+                    setUrlWithoutDomain(element.selectFirst("a")!!.absUrl("href"))
+                    thumbnail_url =
+                        element.selectFirst("a > div.edit-top > img")?.absUrl("data-src")
+                },
+            )
+        }
+
+        return MangasPage(lis, false)
+    }
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
+        val urlBuilder = baseUrl.toHttpUrl().newBuilder()
+
+        if (query != "" && !query.contains("-")) {
+            val body = FormBody.Builder().add("k", query).build()
+            return POST(
+                urlBuilder.encodedPath("/s").build().toString(),
+                headers,
+                body,
+            )
+        } else {
+            // RankGroup or CategoryGroup take one and reset the other
+            var url: String? = null
+            for (filter in filters.filterIsInstance<UriPartFilter>()) {
+                if (url != null) {
+                    filter.reset()
+                } else {
+                    val path = filter.toUriPart()
+                    if (path != "") {
+                        url = path
+                    }
+                }
+            }
+            if (url != null) {
+                return GET(urlBuilder.encodedPath(url).build().toString(), headers)
+            }
+            throw IOException("Invalid filter types")
+        }
+    }
+
+    // Filter
+
+    override fun getFilterList() = FilterList(
+        RankGroup(),
+        CategoryGroup(),
+    )
+
+    private class RankGroup : UriPartFilter(
+        "排行榜",
+        arrayOf(
+            Pair("None", ""),
+            Pair("精品榜", "/rank/1"),
+            Pair("人气榜", "/rank/2"),
+            Pair("推荐榜", "/rank/3"),
+            Pair("黑马榜", "/rank/4"),
+            Pair("最近更新", "/rank/5"),
+            Pair("新漫画", "/rank/6"),
+        ),
+    )
+
+    private class CategoryGroup : UriPartFilter(
+        "按类型",
+        arrayOf(
+            Pair("None", ""),
+            Pair("冒险", "/sort/1"),
+            Pair("热血", "/sort/2"),
+            Pair("都市", "/sort/3"),
+            Pair("玄幻", "/sort/4"),
+            Pair("悬疑", "/sort/5"),
+            Pair("耽美", "/sort/6"),
+            Pair("恋爱", "/sort/7"),
+            Pair("生活", "/sort/8"),
+            Pair("搞笑", "/sort/9"),
+            Pair("穿越", "/sort/10"),
+            Pair("修真", "/sort/11"),
+            Pair("后宫", "/sort/12"),
+            Pair("女主", "/sort/13"),
+            Pair("古风", "/sort/14"),
+            Pair("连载", "/sort/15"),
+            Pair("完结", "/sort/16"),
+        ),
+    )
+
+    private open class UriPartFilter(
+        displayName: String,
+        val vals: Array<Pair<String, String>>,
+        defaultValue: Int = 0,
+    ) : Filter.Select<String>(displayName, vals.map { it.first }.toTypedArray(), defaultValue) {
+        open fun toUriPart() = vals[state].second
+        open fun reset() {
+            state = 0
+        }
+    }
+
+    override fun setupPreferenceScreen(screen: PreferenceScreen) {
+        EditTextPreference(screen.context).apply {
+            key = APP_CUSTOMIZATION_URL
+            title = "自定义url"
+            summary = "修改后需要重启应用生效"
+            setOnPreferenceChangeListener { _, newValue ->
+                preferences.edit().putString(APP_CUSTOMIZATION_URL, newValue as String).commit()
+            }
+        }.let(screen::addPreference)
+    }
+}
+
+const val APP_CUSTOMIZATION_URL = "APP_CUSTOMIZATION_URL"