diff --git a/multisrc/overrides/mangathemesia/mangasonline/src/MangasOnline.kt b/multisrc/overrides/mangathemesia/mangasonline/src/MangasOnline.kt
new file mode 100644
index 000000000..5680e25d7
--- /dev/null
+++ b/multisrc/overrides/mangathemesia/mangasonline/src/MangasOnline.kt
@@ -0,0 +1,26 @@
+package eu.kanade.tachiyomi.extension.pt.mangasonline
+
+import eu.kanade.tachiyomi.multisrc.mangathemesia.MangaThemesia
+import eu.kanade.tachiyomi.network.interceptor.rateLimit
+import eu.kanade.tachiyomi.source.model.SChapter
+import okhttp3.OkHttpClient
+import okhttp3.Response
+import java.text.SimpleDateFormat
+import java.util.Locale
+import java.util.concurrent.TimeUnit
+
+class MangasOnline : MangaThemesia(
+    "Mangás Online",
+    "https://mangasonline.cc",
+    "pt-BR",
+    dateFormat = SimpleDateFormat("MMMMM dd, yyyy", Locale("pt", "BR")),
+) {
+
+    override val client: OkHttpClient = super.client.newBuilder()
+        .rateLimit(1, 2, TimeUnit.SECONDS)
+        .build()
+
+    override fun chapterListParse(response: Response): List<SChapter> {
+        return super.chapterListParse(response).reversed()
+    }
+}
diff --git a/multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/mangathemesia/MangaThemesiaGenerator.kt b/multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/mangathemesia/MangaThemesiaGenerator.kt
index 1bcab9c4c..f607ea35a 100644
--- a/multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/mangathemesia/MangaThemesiaGenerator.kt
+++ b/multisrc/src/main/java/eu/kanade/tachiyomi/multisrc/mangathemesia/MangaThemesiaGenerator.kt
@@ -91,6 +91,7 @@ class MangaThemesiaGenerator : ThemeSourceGenerator {
         SingleLang("MangaTale", "https://mangatale.co", "id", overrideVersionCode = 1),
         SingleLang("MangaWT", "https://mangawt.com", "tr", overrideVersionCode = 5),
         SingleLang("Mangayaro", "https://www.mangayaro.id", "id", overrideVersionCode = 1),
+        SingleLang("Mangás Online", "https://mangasonline.cc", "pt-BR", className = "MangasOnline"),
         SingleLang("Manhwa Freak", "https://manhwa-freak.com", "en", overrideVersionCode = 3),
         SingleLang("Manhwa Lover", "https://manhwalover.com", "en", isNsfw = true, overrideVersionCode = 1),
         SingleLang("ManhwaDesu", "https://manhwadesu.one", "id", isNsfw = true, overrideVersionCode = 4),