diff --git a/API.Tests/Parser/MangaParserTests.cs b/API.Tests/Parser/MangaParserTests.cs
index 39437a2a1..e1b143272 100644
--- a/API.Tests/Parser/MangaParserTests.cs
+++ b/API.Tests/Parser/MangaParserTests.cs
@@ -197,6 +197,7 @@ namespace API.Tests.Parser
         [InlineData("Kiss x Sis - Ch.00 - Let's Start from 0.cbz", "0")]
         [InlineData("[Hidoi]_Amaenaideyo_MS_vol01_chp02.rar", "2")]
         [InlineData("Okusama wa Shougakusei c003 (v01) [bokuwaNEET]", "3")]
+        [InlineData("Tomogui Kyoushitsu - Chapter 006 Game 005 - Fingernails On Right Hand (Part 002).cbz", "6")]
         public void ParseChaptersTest(string filename, string expected)
         {
             Assert.Equal(expected, API.Parser.Parser.ParseChapter(filename));
diff --git a/API/Controllers/ReaderController.cs b/API/Controllers/ReaderController.cs
index 383021408..8e8c8c27e 100644
--- a/API/Controllers/ReaderController.cs
+++ b/API/Controllers/ReaderController.cs
@@ -279,7 +279,7 @@ namespace API.Controllers
                     if (chapterId > 0) return Ok(chapterId);
                 }
                 
-                if (volume.Number == currentVolume.Number)
+                if (volume.Number == currentVolume.Number + 1)
                 {
                     return Ok(volume.Chapters.FirstOrDefault()?.Id);
                 }
diff --git a/API/Parser/Parser.cs b/API/Parser/Parser.cs
index 71e01785c..9612fb7cd 100644
--- a/API/Parser/Parser.cs
+++ b/API/Parser/Parser.cs
@@ -302,7 +302,10 @@ namespace API.Parser
             new Regex(   
                 @"^(?<Series>.*)(?: |_)#(?<Chapter>\d+)",
                 RegexOptions.IgnoreCase | RegexOptions.Compiled),
-            
+            // Green Worldz - Chapter 027
+            new Regex(
+                @"^(?!Vol)(?<Series>.*)\s?(?<!vol\. )\sChapter\s(?<Chapter>\d+(?:.\d+|-\d+)?)",
+                RegexOptions.IgnoreCase | RegexOptions.Compiled),
             // Hinowa ga CRUSH! 018 (2019) (Digital) (LuCaZ).cbz, Hinowa ga CRUSH! 018.5 (2019) (Digital) (LuCaZ).cbz 
             new Regex(
                 @"^(?!Vol)(?<Series>.*) (?<!vol\. )(?<Chapter>\d+(?:.\d+|-\d+)?)(?: \(\d{4}\))?(\b|_|-)",