diff --git a/src/ja/mangakoinu/build.gradle b/src/ja/mangakoinu/build.gradle
new file mode 100644
index 000000000..b98090ce2
--- /dev/null
+++ b/src/ja/mangakoinu/build.gradle
@@ -0,0 +1,9 @@
+ext {
+    extName = 'Manga Koinu'
+    extClass = '.MangaKoinu'
+    themePkg = 'mccms'
+    baseUrl = 'https://www.mangakoinu.com'
+    overrideVersionCode = 0
+}
+
+apply from: "$rootDir/common.gradle"
diff --git a/src/ja/mangakoinu/res/mipmap-hdpi/ic_launcher.png b/src/ja/mangakoinu/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 000000000..3d155f54e
Binary files /dev/null and b/src/ja/mangakoinu/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/src/ja/mangakoinu/res/mipmap-mdpi/ic_launcher.png b/src/ja/mangakoinu/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 000000000..c47f667e4
Binary files /dev/null and b/src/ja/mangakoinu/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/src/ja/mangakoinu/res/mipmap-xhdpi/ic_launcher.png b/src/ja/mangakoinu/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 000000000..5526c173d
Binary files /dev/null and b/src/ja/mangakoinu/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/src/ja/mangakoinu/res/mipmap-xxhdpi/ic_launcher.png b/src/ja/mangakoinu/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 000000000..319ce0017
Binary files /dev/null and b/src/ja/mangakoinu/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/src/ja/mangakoinu/res/mipmap-xxxhdpi/ic_launcher.png b/src/ja/mangakoinu/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 000000000..97879cceb
Binary files /dev/null and b/src/ja/mangakoinu/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/src/ja/mangakoinu/src/eu/kanade/tachiyomi/extension/ja/mangakoinu/MangaKoinu.kt b/src/ja/mangakoinu/src/eu/kanade/tachiyomi/extension/ja/mangakoinu/MangaKoinu.kt
new file mode 100644
index 000000000..ac843a45b
--- /dev/null
+++ b/src/ja/mangakoinu/src/eu/kanade/tachiyomi/extension/ja/mangakoinu/MangaKoinu.kt
@@ -0,0 +1,11 @@
+package eu.kanade.tachiyomi.extension.ja.mangakoinu
+
+import eu.kanade.tachiyomi.multisrc.mccms.MCCMS
+import eu.kanade.tachiyomi.multisrc.mccms.MCCMSConfig
+
+class MangaKoinu : MCCMS(
+    name = "Manga Koinu",
+    baseUrl = "https://www.mangakoinu.com",
+    lang = "ja",
+    config = MCCMSConfig(lazyLoadImageAttr = "src"),
+)