diff --git a/src/pt/mangayabu/build.gradle b/src/pt/mangayabu/build.gradle
new file mode 100644
index 000000000..4187e5db1
--- /dev/null
+++ b/src/pt/mangayabu/build.gradle
@@ -0,0 +1,12 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+
+ext {
+    appName = 'Tachiyomi: MangaYabu!'
+    pkgNameSuffix = 'pt.mangayabu'
+    extClass = '.MangaYabu'
+    extVersionCode = 1
+    libVersion = '1.2'
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/pt/mangayabu/res/mipmap-hdpi/ic_launcher.png b/src/pt/mangayabu/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000..52504b980
Binary files /dev/null and b/src/pt/mangayabu/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/src/pt/mangayabu/res/mipmap-mdpi/ic_launcher.png b/src/pt/mangayabu/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 000000000..17e1efd71
Binary files /dev/null and b/src/pt/mangayabu/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/src/pt/mangayabu/res/mipmap-xhdpi/ic_launcher.png b/src/pt/mangayabu/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 000000000..add57d959
Binary files /dev/null and b/src/pt/mangayabu/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/src/pt/mangayabu/res/mipmap-xxhdpi/ic_launcher.png b/src/pt/mangayabu/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 000000000..9dae0527a
Binary files /dev/null and b/src/pt/mangayabu/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/src/pt/mangayabu/res/mipmap-xxxhdpi/ic_launcher.png b/src/pt/mangayabu/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 000000000..17e24679b
Binary files /dev/null and b/src/pt/mangayabu/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/src/pt/mangayabu/res/web_hi_res_512.png b/src/pt/mangayabu/res/web_hi_res_512.png
new file mode 100644
index 000000000..a22c8f2f2
Binary files /dev/null and b/src/pt/mangayabu/res/web_hi_res_512.png differ
diff --git a/src/pt/mangayabu/src/eu/kanade/tachiyomi/extension/pt/mangayabu/MangaYabu.kt b/src/pt/mangayabu/src/eu/kanade/tachiyomi/extension/pt/mangayabu/MangaYabu.kt
new file mode 100644
index 000000000..0eacb729b
--- /dev/null
+++ b/src/pt/mangayabu/src/eu/kanade/tachiyomi/extension/pt/mangayabu/MangaYabu.kt
@@ -0,0 +1,150 @@
+package eu.kanade.tachiyomi.extension.pt.mangayabu
+
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.network.POST
+import eu.kanade.tachiyomi.source.model.*
+import eu.kanade.tachiyomi.source.online.ParsedHttpSource
+import okhttp3.FormBody
+import okhttp3.Headers
+import okhttp3.Request
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+import rx.Observable
+
+class MangaYabu : ParsedHttpSource() {
+
+    override val name = "MangaYabu!"
+
+    override val baseUrl = "https://mangayabu.com"
+
+    override val lang = "pt"
+
+    override val supportsLatest = true
+
+    override fun headersBuilder(): Headers.Builder = Headers.Builder()
+        .add("User-Agent", USER_AGENT)
+        .add("Origin", baseUrl)
+        .add("Referer", baseUrl)
+
+    override fun fetchPopularManga(page: Int): Observable<MangasPage> {
+        return super.fetchPopularManga(page)
+            .map {
+                MangasPage(it.mangas.distinctBy { m -> m.title }, it.hasNextPage)
+            }
+    }
+
+    override fun popularMangaRequest(page: Int): Request = GET(baseUrl, headers)
+
+    override fun popularMangaSelector(): String = "div.loop-content div.owl-carousel div.video a.clip-link"
+
+    override fun popularMangaFromElement(element: Element): SManga = SManga.create().apply {
+        title = element.attr("title").substringBefore(" –")
+        thumbnail_url = element.select("span.clip img")!!.attr("src")
+        url = mapChapterToMangaUrl(element.attr("href"))
+    }
+
+    override fun popularMangaNextPageSelector(): String? = null
+
+    override fun fetchLatestUpdates(page: Int): Observable<MangasPage> {
+        return super.fetchLatestUpdates(page)
+            .map {
+                MangasPage(it.mangas.distinctBy { m -> m.title }, it.hasNextPage)
+            }
+    }
+
+    override fun latestUpdatesRequest(page: Int): Request {
+        val pagePath = if (page == 1) "" else "/page/$page"
+        return GET("$baseUrl$pagePath", headers)
+    }
+
+    override fun latestUpdatesSelector() = "div.loop-content.phpvibe-video-list.miau div.video a.clip-link"
+
+    override fun latestUpdatesFromElement(element: Element): SManga = SManga.create().apply {
+        val image = element.select("span.clip img")!!
+
+        title = image.attr("alt").substringBefore(" –")
+        thumbnail_url = image.attr("src")
+        url = mapChapterToMangaUrl(element.attr("href"))
+    }
+
+    override fun latestUpdatesNextPageSelector() = "div#pagination a div.item.icon i:contains(arrow_forward_ios)"
+
+    override fun searchMangaRequest(page: Int, query: String, filters: FilterList): Request {
+        val newHeaders = headers.newBuilder()
+            .set("X-Requested-With", "XMLHttpRequest")
+            .build()
+
+        val form = FormBody.Builder()
+            .add("action", "data_fetch")
+            .add("search_keyword", query)
+            .build()
+
+        return POST("$baseUrl/wp-admin/admin-ajax.php", newHeaders, form)
+    }
+
+    override fun searchMangaSelector() = "ul li.gsuggested a"
+
+    override fun searchMangaFromElement(element: Element): SManga = SManga.create().apply {
+        title = element.select("div.contento span.search-name")!!.text()
+        thumbnail_url = "$baseUrl/${element.select("img.search-thumb")!!.attr("src")}"
+        setUrlWithoutDomain(element.attr("href"))
+    }
+
+    override fun searchMangaNextPageSelector(): String? = null
+
+    override fun mangaDetailsParse(document: Document): SManga {
+        val infoElement = document.select("div#channel-content div.row").first()!!
+        val statusStr = infoElement.select("div.left20 p:contains(Status)")!!.text()
+            .substringAfter("Status: ")
+
+        return SManga.create().apply {
+            title = infoElement.select("div.left20 h1")!!.text()
+            status = when (statusStr) {
+                "Em lançamento" -> SManga.ONGOING
+                "Completo" -> SManga.COMPLETED
+                else -> SManga.UNKNOWN
+            }
+            description = infoElement.select("div.left20 p[style] + p").first()!!.text()
+            thumbnail_url = infoElement.select("div.mleft20 img.channel-img")!!.attr("src")
+        }
+    }
+
+    override fun chapterListSelector() = "div.loop-content div.chap-holder a.chapter-link"
+
+    override fun chapterFromElement(element: Element): SChapter = SChapter.create().apply {
+        name = "Capítulo " + element.select("small")!!.text()
+        chapter_number = element.select("small")!!.text().toFloatOrNull() ?: 0f
+        setUrlWithoutDomain(element.attr("href"))
+    }
+
+    override fun pageListParse(document: Document): List<Page> {
+        return document.select("img.img-responsive.img-manga")
+            .mapIndexed { i, element -> Page(i, "", element.absUrl("src"))}
+    }
+
+    override fun imageUrlParse(document: Document) = ""
+
+    /**
+     * Some mangas doesn't use the same slug from the chapter url, and
+     * since the site doesn't have a proper popular list yet, we have
+     * to deal with some exceptions and map them to the correct
+     * slug manually.
+     *
+     * It's a bad solution, but it's a working one for now.
+     */
+    private fun mapChapterToMangaUrl(chapterUrl: String): String {
+        val chapterSlug = chapterUrl
+            .substringBefore("-capitulo")
+            .substringAfter("ler/")
+
+        return "/manga/" + (SLUG_EXCEPTIONS[chapterSlug] ?: chapterSlug)
+    }
+
+    companion object {
+        private const val USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36"
+
+        private val SLUG_EXCEPTIONS = mapOf(
+            "the-promised-neverland-yakusoku-no-neverland" to "yakusoku-no-neverland-the-promised-neverland"
+        )
+    }
+}