diff --git a/src/pt/muitohentai/AndroidManifest.xml b/src/pt/muitohentai/AndroidManifest.xml
new file mode 100644
index 000000000..389c51256
--- /dev/null
+++ b/src/pt/muitohentai/AndroidManifest.xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="eu.kanade.tachiyomi.extension" />
+
diff --git a/src/pt/muitohentai/build.gradle b/src/pt/muitohentai/build.gradle
new file mode 100644
index 000000000..a1a9d283d
--- /dev/null
+++ b/src/pt/muitohentai/build.gradle
@@ -0,0 +1,18 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlinx-serialization'
+
+ext {
+    extName = 'Muito Hentai'
+    pkgNameSuffix = 'pt.muitohentai'
+    extClass = '.MuitoHentai'
+    extVersionCode = 1
+    isNsfw = true
+}
+
+dependencies {
+    implementation project(':lib-ratelimit')
+}
+
+apply from: "$rootDir/common.gradle"
+
diff --git a/src/pt/muitohentai/res/mipmap-hdpi/ic_launcher.png b/src/pt/muitohentai/res/mipmap-hdpi/ic_launcher.png
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diff --git a/src/pt/muitohentai/res/mipmap-xhdpi/ic_launcher.png b/src/pt/muitohentai/res/mipmap-xhdpi/ic_launcher.png
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diff --git a/src/pt/muitohentai/res/mipmap-xxhdpi/ic_launcher.png b/src/pt/muitohentai/res/mipmap-xxhdpi/ic_launcher.png
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diff --git a/src/pt/muitohentai/res/mipmap-xxxhdpi/ic_launcher.png b/src/pt/muitohentai/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/pt/muitohentai/res/web_hi_res_512.png b/src/pt/muitohentai/res/web_hi_res_512.png
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diff --git a/src/pt/muitohentai/src/eu/kanade/tachiyomi/extension/pt/muitohentai/MuitoHentai.kt b/src/pt/muitohentai/src/eu/kanade/tachiyomi/extension/pt/muitohentai/MuitoHentai.kt
new file mode 100644
index 000000000..ac135e26a
--- /dev/null
+++ b/src/pt/muitohentai/src/eu/kanade/tachiyomi/extension/pt/muitohentai/MuitoHentai.kt
@@ -0,0 +1,140 @@
+package eu.kanade.tachiyomi.extension.pt.muitohentai
+
+import eu.kanade.tachiyomi.lib.ratelimit.RateLimitInterceptor
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.source.model.FilterList
+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.ParsedHttpSource
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.jsonArray
+import kotlinx.serialization.json.jsonPrimitive
+import okhttp3.Headers
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.Response
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+import uy.kohesive.injekt.injectLazy
+import java.util.Locale
+import java.util.concurrent.TimeUnit
+
+class MuitoHentai : ParsedHttpSource() {
+
+    override val name = "Muito Hentai"
+
+    override val baseUrl = "https://www.muitohentai.com"
+
+    override val lang = "pt-BR"
+
+    override val supportsLatest = true
+
+    override val client: OkHttpClient = network.cloudflareClient.newBuilder()
+        .addInterceptor(RateLimitInterceptor(1, 2, TimeUnit.SECONDS))
+        .build()
+
+    private val json: Json by injectLazy()
+
+    override fun headersBuilder(): Headers.Builder = Headers.Builder()
+        .add("Referer", "$baseUrl/")
+
+    // The source does not have a popular list page, so we use the list instead.
+    override fun popularMangaRequest(page: Int): Request {
+        val newHeaders = headersBuilder()
+            .set("Referer", if (page == 1) baseUrl else "$baseUrl/mangas/${page - 1}")
+            .build()
+
+        val pageStr = if (page != 1) page.toString() else ""
+        return GET("$baseUrl/mangas/$pageStr", newHeaders)
+    }
+
+    override fun popularMangaSelector(): String = "#archive-content article.tvshows"
+
+    override fun popularMangaFromElement(element: Element): SManga = SManga.create().apply {
+        title = element.selectFirst("div.data h3 a")!!.text()
+        thumbnail_url = element.selectFirst("div.poster img")!!.attr("abs:src")
+        setUrlWithoutDomain(element.selectFirst("a")!!.attr("href"))
+    }
+
+    override fun popularMangaNextPageSelector() = "#paginacao a:last-child:contains(»)"
+
+    override fun latestUpdatesRequest(page: Int) = popularMangaRequest(page)
+
+    override fun latestUpdatesSelector(): String = "ul.lancamento-cap2 > li"
+
+    override fun latestUpdatesFromElement(element: Element): SManga = SManga.create().apply {
+        title = element.selectFirst("h2")!!.text()
+        thumbnail_url = element.selectFirst("div.capaMangaHentai img")!!.attr("abs:src")
+        setUrlWithoutDomain(element.selectFirst("a")!!.attr("abs:href"))
+    }
+
+    override fun latestUpdatesNextPageSelector() = popularMangaNextPageSelector()
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
+        val searchUrl = "$baseUrl/buscar-manga/".toHttpUrl().newBuilder()
+            .addQueryParameter("q", query)
+            .toString()
+
+        return GET(searchUrl, headers)
+    }
+
+    override fun searchMangaSelector() = popularMangaSelector()
+
+    override fun searchMangaFromElement(element: Element): SManga = popularMangaFromElement(element)
+
+    override fun searchMangaNextPageSelector(): String? = null
+
+    override fun mangaDetailsParse(document: Document): SManga = SManga.create().apply {
+        author = document.selectFirst("div:has(strong:contains(Autor))")?.ownText()
+        genre = document.select("a.genero_btn").joinToString { it.text().capitalize(LOCALE) }
+        description = document.selectFirst("div.backgroundpost:contains(Sinopse)")?.ownText()
+        thumbnail_url = document.selectFirst("#capaAnime img")?.attr("src")
+    }
+
+    override fun chapterListParse(response: Response): List<SChapter> {
+        return super.chapterListParse(response).reversed()
+    }
+
+    override fun chapterListSelector(): String = "div.backgroundpost:contains(Capítulos de) h3 > a"
+
+    override fun chapterFromElement(element: Element): SChapter = SChapter.create().apply {
+        name = element.ownText().trim()
+        setUrlWithoutDomain(element.attr("abs:href"))
+    }
+
+    override fun pageListRequest(chapter: SChapter): Request {
+        val newHeader = headersBuilder()
+            .set("Referer", "$baseUrl${chapter.url}".substringBeforeLast("/"))
+            .build()
+
+        return GET(baseUrl + chapter.url, newHeader)
+    }
+
+    override fun pageListParse(document: Document): List<Page> {
+        return document.selectFirst("script:containsData(numeroImgAtual)")
+            ?.data()
+            ?.substringAfter("var arr = ")
+            ?.substringBefore(";")
+            ?.let { json.parseToJsonElement(it).jsonArray }
+            ?.mapIndexed { i, el ->
+                Page(i, document.location(), el.jsonPrimitive.content)
+            }
+            .orEmpty()
+    }
+
+    override fun imageUrlParse(document: Document) = ""
+
+    override fun imageRequest(page: Page): Request {
+        val newHeaders = headersBuilder()
+            .set("Referer", page.url)
+            .build()
+
+        return GET(page.imageUrl!!, newHeaders)
+    }
+
+    companion object {
+        private val LOCALE = Locale("pt", "BR")
+    }
+}