Keita gets annoyed with being kissed by Ako and Riko him all the time and instigates a ban on kissing. Overhearing that Keita likes sweet things, Riko tries to make him some chocolate, but can only manage something horrific. After finding one of her father's dirty DVDs, she gives Keita some chocolate lipstick, persuading him to eat it off her lips. Before they manage to go any further, they are interrupted by Ako who destroys the lipstick. Riko gives Keita another chocolate lipstick, however it was made from the horrible tasting chocolate that she had made.
Keita se molesta con ser besado por Ako y Riko todo el tiempo e instiga a la prohibición total de los besos. Al oír que Keita le gustan las cosas dulces, Riko trata de hacerle un poco de chocolate, pero sólo puede manejar algo horrible.
매일 밤 케이타에게 맛있는 야식을 만들어주는 아코가 부러운 리코.
열심히 공부 중인 케이타를 위해 리코는 달콤한 선물을 하기로 한다.
