- Last Episode: Ketsuekigata-kun! 4 EP 9 (Sub) Republish
- First Episode: Ketsuekigata-kun! 4 EP 1 Original
4th season of Ketsuekigata-kun! series.
- Other Title: Ketsuekigata-kun! 4, 血液型くん!4, 血液型くん! 4
- Status: Completed
- Sub/Dub: Anime Sub
- Anime Type: TV
- Genres: Comedy
- Characters: A-gata-kun, AB-gata-kun, B-gata-kun, O-gata-kun
- Score: 6.24
- Rank: 8160
- Popularity: 8995