Ritsu, who has gotten somewhat chubby from eating her roommate Ruka's cooking, becomes determined to lose 7.5kg in three months. When Ritsu's attempt at a salad-only diet proves destructive, Ruka sets her on a new diet that allows her to eat delicious meals that are under 400kcal each.

This is a collection of oneshots created by 13 artists. 1) Night Routine - MATSUMOTO Noda 2) Koukishin wa Neko wo mo Korosu - MOTOYAMA Ako 3) Kusayakyuu Nakama Batsu Nii Yamome - Gimme 4) Hajimari wa Dou Are - HIROSATO Kana 5) Turning Point - 依田ヨクト 6) Christmas Eve no Shitsuren - Shiohigari 7) Virtual Liberty - Nikumaru 8) Surprise Switch! - ためいけ 9) Nigate na Osananajimi - IMAI Sasaru 10) Oishii Trade - Marugari 11) Konna Hazu de wa - Wakachiko 12) Outotsu Morning Love (Mismatched Morning Lovers) - TOBI Washio 13) Baka Mitai na Futari - HINO Youhe

It's April of my third and final year in high school... But the beautiful girl I have a crush on is my best friend's girlfriend. Thus begins my year of treading on the dangerous ground...

The daily life of a (self-proclaimed) high school delinquent, fangirling and kohyuuing over the head prefect!?(to) kohyuu (v. infinitive form) When one is surprised and excited, their breathing begins to kohyuu. (see: hyperventilation)Summary: High school first-year Yuu is an ardent admirer of Head Prefect Atori, and in order to get her attention, Yuu begins to act like a delinquent. But while her intention is to appeal with her "badness" and "coolness," her simple-minded facade is seen through by Atori, who teases and treats her like a small animal...!?A totally not "bad" delinquent girl's 4-koma school life manga!