Mainichi Ie ni Kuru Gal ga Kyorikan Zero Demo Yasashiku nai

Class queen Manami Fuwa has been gaining weight lately. To make matters worse, a rival girl is taunting her in class, calling her a "kin-nikuman" (golden meat bun). When Taichi Utsuki can't contain his thoughts about her weight, he's forced to accompany Fuwa on her diet!