All or Nothing

あらすじ

Mao Sawada and Shunsuke Oka are surprised to hear that two of their friends have been dating for a month. More than anything, the passionate noises they overhear through a wall leave them wondering about all the physical activities the new couple engages in. Curious, they begin experimenting with each other, realizing that maybe being just friends is not enough. [Written by MAL Rewrite] Included one-shot: Hajimari no Period (The Starting Period)