3화: 새로운 학교 날, 개구쟁이와 놀며 마오를 파티에 초대하는 나나

3

It's a new school day and Nana and her friend Narumi are messing about with their frogs. When Kouichi arrives with Mao, Nana uses this as a chance to invite Mao to a welcoming party. (Source: Wikipedia)