diff --git a/docs/supportedsites.md b/docs/supportedsites.md
index 9d7e6be1..07f5f55e 100644
--- a/docs/supportedsites.md
+++ b/docs/supportedsites.md
@@ -493,6 +493,12 @@ Consider all sites to be NSFW unless otherwise known.
     <td>Chapters, Manga</td>
     <td></td>
 </tr>
+<tr>
+    <td>MangaLife</td>
+    <td>https://manga4life.com/</td>
+    <td>Chapters, Manga</td>
+    <td></td>
+</tr>
 <tr>
     <td>Manganato</td>
     <td>https://manganato.com/</td>
diff --git a/gallery_dl/extractor/mangasee.py b/gallery_dl/extractor/mangasee.py
index 2bd11ef9..5fa56313 100644
--- a/gallery_dl/extractor/mangasee.py
+++ b/gallery_dl/extractor/mangasee.py
@@ -35,33 +35,59 @@ class MangaseeBase():
 
 
 class MangaseeChapterExtractor(MangaseeBase, ChapterExtractor):
-    pattern = r"(?:https?://)?mangasee123\.com(/read-online/[^/?#]+\.html)"
-    test = (("https://mangasee123.com/read-online"
-             "/Tokyo-Innocent-chapter-4.5-page-1.html"), {
-        "pattern": r"https://[^/]+/manga/Tokyo-Innocent/0004\.5-00\d\.png",
-        "count": 8,
-        "keyword": {
-            "chapter": 4,
-            "chapter_minor": ".5",
-            "chapter_string": "100045",
+    pattern = (r"(?:https?://)?(mangasee123|manga4life)\.com"
+               r"(/read-online/[^/?#]+\.html)")
+    test = (
+        (("https://mangasee123.com/read-online"
+          "/Tokyo-Innocent-chapter-4.5-page-1.html"), {
+            "pattern": r"https://[^/]+/manga/Tokyo-Innocent/0004\.5-00\d\.png",
             "count": 8,
-            "date": "dt:2020-01-20 21:52:53",
-            "extension": "png",
-            "filename": r"re:0004\.5-00\d",
-            "index": "1",
-            "lang": "en",
-            "language": "English",
-            "manga": "Tokyo Innocent",
-            "page": int,
-            "title": "",
-        },
-    })
+            "keyword": {
+                "chapter": 4,
+                "chapter_minor": ".5",
+                "chapter_string": "100045",
+                "count": 8,
+                "date": "dt:2020-01-20 21:52:53",
+                "extension": "png",
+                "filename": r"re:0004\.5-00\d",
+                "index": "1",
+                "lang": "en",
+                "language": "English",
+                "manga": "Tokyo Innocent",
+                "page": int,
+                "title": "",
+            },
+        }),
+        (("https://manga4life.com/read-online"
+          "/One-Piece-chapter-1063-page-1.html"), {
+            "pattern": r"https://[^/]+/manga/One-Piece/1063-0\d\d\.png",
+            "count": 13,
+            "keyword": {
+                "chapter": 1063,
+                "chapter_minor": "",
+                "chapter_string": "110630",
+                "count": 13,
+                "date": "dt:2022-10-16 17:32:54",
+                "extension": "png",
+                "filename": r"re:1063-0\d\d",
+                "index": "1",
+                "lang": "en",
+                "language": "English",
+                "manga": "One Piece",
+                "page": int,
+                "title": "",
+            },
+        }),
+    )
 
     def __init__(self, match):
-        ChapterExtractor.__init__(self, match)
+        if match.group(1) == "manga4life":
+            self.category = "mangalife"
+            self.root = "https://manga4life.com"
+        ChapterExtractor.__init__(self, match, self.root + match.group(2))
         self.session.headers["Referer"] = self.gallery_url
 
-        domain = "mangasee123.com"
+        domain = self.root.rpartition("/")[2]
         cookies = self.session.cookies
         if not cookies.get("PHPSESSID", domain=domain):
             cookies.set("PHPSESSID", util.generate_token(13), domain=domain)
@@ -96,12 +122,24 @@ class MangaseeChapterExtractor(MangaseeBase, ChapterExtractor):
 
 class MangaseeMangaExtractor(MangaseeBase, MangaExtractor):
     chapterclass = MangaseeChapterExtractor
-    pattern = r"(?:https?://)?mangasee123\.com(/manga/[^/?#]+)"
-    test = (("https://mangasee123.com/manga"
-             "/Nakamura-Koedo-To-Daizu-Keisuke-Wa-Umaku-Ikanai"), {
-        "pattern": MangaseeChapterExtractor.pattern,
-        "count": ">= 17",
-    })
+    pattern = r"(?:https?://)?(mangasee123|manga4life)\.com(/manga/[^/?#]+)"
+    test = (
+        (("https://mangasee123.com/manga"
+          "/Nakamura-Koedo-To-Daizu-Keisuke-Wa-Umaku-Ikanai"), {
+            "pattern": MangaseeChapterExtractor.pattern,
+            "count": ">= 17",
+        }),
+        ("https://manga4life.com/manga/Ano-Musume-Ni-Kiss-To-Shirayuri-O", {
+            "pattern": MangaseeChapterExtractor.pattern,
+            "count": ">= 50",
+        }),
+    )
+
+    def __init__(self, match):
+        if match.group(1) == "manga4life":
+            self.category = "mangalife"
+            self.root = "https://manga4life.com"
+        MangaExtractor.__init__(self, match, self.root + match.group(2))
 
     def chapters(self, page):
         slug, pos = text.extract(page, 'vm.IndexName = "', '"')
diff --git a/scripts/supportedsites.py b/scripts/supportedsites.py
index 3661d9eb..bd9d9d71 100755
--- a/scripts/supportedsites.py
+++ b/scripts/supportedsites.py
@@ -69,6 +69,7 @@ CATEGORY_MAP = {
     "mangafox"       : "Manga Fox",
     "mangahere"      : "Manga Here",
     "mangakakalot"   : "MangaKakalot",
+    "mangalife"      : "MangaLife",
     "manganelo"      : "Manganato",
     "mangapark"      : "MangaPark",
     "mangasee"       : "MangaSee",
@@ -425,6 +426,10 @@ def build_extractor_list():
     default["pornimagesxxx"] = default["hentaicosplays"]
     domains["pornimagesxxx"] = "https://porn-images-xxx.com/"
 
+    # add manga4life.com
+    default["mangalife"] = default["mangasee"]
+    domains["mangalife"] = "https://manga4life.com/"
+
     return categories, domains