From Daycomics:
Hyun-Ho joins a study group to get closer to the pretty senior that he has a crush on. But this study group is out of the ordinary. A special lesson for him begins! "Here, Hyun-Ho. Grab my butt like this!"
**Original Webtoon:**
[Toptoon](https://toptoon.com/comic/ep_list/sextudy_group), [Onestory](https://onestory.co.kr/detail/H042200965), [Nate](https://toonnbook.nate.com/detail/H042200965)
**Official Translations:**
[English](https://daycomics.com/content/101023), [T.Chinese](https://www.toptoon.net/comic/epList/81003/GC), [Japanese](https://toptoon.jp/content/%E3%82%A2%E3%83%A4%E3%82%B7%E3%82%A4%E5%8B%89%E5%BC%B7%E4%BC%9A/101023)
