The raws have up to 30 chapters. Season 1 was 28 chapters.
Where
Gotchu https://002.toonkor.net/%EC%9B%90%EC%97%90%EC%84%9C-%ED%83%88%EC%B6%9C%ED%95%98%EB%8A%94-%EB%B0%A9%EB%B2%95
The raws have up to 30 chapters. Season 1 was 28 chapters.