diff --git a/src/ja/rawinu/build.gradle b/src/ja/rawinu/build.gradle
new file mode 100644
index 000000000..18dde0550
--- /dev/null
+++ b/src/ja/rawinu/build.gradle
@@ -0,0 +1,10 @@
+ext {
+    extName = 'RawINU'
+    extClass = '.RawINU'
+    themePkg = 'fmreader'
+    baseUrl = 'https://rawinu.com'
+    overrideVersionCode = 0
+    isNsfw = true
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/ja/rawinu/res/mipmap-hdpi/ic_launcher.png b/src/ja/rawinu/res/mipmap-hdpi/ic_launcher.png
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diff --git a/src/ja/rawinu/res/mipmap-mdpi/ic_launcher.png b/src/ja/rawinu/res/mipmap-mdpi/ic_launcher.png
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index 000000000..af44ba12c
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diff --git a/src/ja/rawinu/res/mipmap-xhdpi/ic_launcher.png b/src/ja/rawinu/res/mipmap-xhdpi/ic_launcher.png
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diff --git a/src/ja/rawinu/res/mipmap-xxhdpi/ic_launcher.png b/src/ja/rawinu/res/mipmap-xxhdpi/ic_launcher.png
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diff --git a/src/ja/rawinu/res/mipmap-xxxhdpi/ic_launcher.png b/src/ja/rawinu/res/mipmap-xxxhdpi/ic_launcher.png
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diff --git a/src/ja/rawinu/src/eu/kanade/tachiyomi/extension/ja/rawinu/RawINU.kt b/src/ja/rawinu/src/eu/kanade/tachiyomi/extension/ja/rawinu/RawINU.kt
new file mode 100644
index 000000000..c3c9b4a40
--- /dev/null
+++ b/src/ja/rawinu/src/eu/kanade/tachiyomi/extension/ja/rawinu/RawINU.kt
@@ -0,0 +1,57 @@
+package eu.kanade.tachiyomi.extension.ja.rawinu
+
+import eu.kanade.tachiyomi.multisrc.fmreader.FMReader
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.network.interceptor.rateLimitHost
+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.util.asJsoup
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.Request
+import okhttp3.Response
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+
+class RawINU : FMReader(
+    "RawINU",
+    "https://rawinu.com",
+    "ja",
+) {
+    override val client = network.client.newBuilder()
+        .rateLimitHost(baseUrl.toHttpUrl(), 2)
+        .build()
+
+    private val apiEndpoint = "$baseUrl/app/manga/controllers"
+
+    // =========================== Manga Details ============================
+    override val infoElementSelector = "div.card-body div.row"
+
+    // ============================== Chapters ==============================
+    override fun chapterListRequest(manga: SManga): Request {
+        val slug = manga.url.substringAfter("/manga-").substringBefore(".html")
+        return GET("$apiEndpoint/cont.Listchapter.php?slug=$slug", headers)
+    }
+
+    override fun chapterListParse(response: Response): List<SChapter> {
+        val doc = response.asJsoup()
+        doc.setBaseUri(baseUrl) // Fixes chapter URLs
+        return doc.select(chapterListSelector()).map(::chapterFromElement)
+    }
+
+    override fun chapterFromElement(element: Element) = SChapter.create().apply {
+        setUrlWithoutDomain(element.absUrl("href"))
+        name = element.attr(chapterNameAttrSelector).trim()
+        date_upload = element.select(chapterTimeSelector).run { if (hasText()) parseRelativeDate(text()) else 0 }
+    }
+
+    // =============================== Pages ================================
+    override fun pageListParse(document: Document): List<Page> {
+        val id = document.selectFirst("input[name=chapter]#chapter")!!.attr("value")
+        val req = client.newCall(GET("$apiEndpoint/cont.imagesChap.php?cid=$id", headers)).execute()
+
+        return req.asJsoup().select(pageListImageSelector).mapIndexed { i, img ->
+            Page(i, document.location(), getImgAttr(img))
+        }
+    }
+}