Omae ni Zettai Ienai Koto

Keigo is a super serious guy, and Shohei, the outgoing one. These two opposites have been best friends since high school and ended up attending the same university. Keigo, who's got a crush on Shohei, gets all twisted up about it and starts using toys to, well, pleasure himself while thinking about Shohei. On the other hand, Shohei gets some tips...