Haruo returns to his hometown for his mother’s second marriage, where he happens to meet his first love Miyuki for the first time in eight years. Miyuki is back in town with her daughter Chiharu, after leaving a failed marriage.
Kotaro and Kuroe marry almost immediately in a Christian ceremony and move into an apartment. Life is completely joyous until, one day, Kuroe falls ill.
Haruna is a lively tomboy in the 5th year at elementary school. One day, while playing with Hiroyuki, a boy whom she has known for a long time, they play a game of putting their private parts together. A sex education lesson given by a new teacher, Yagi, makes Haruna suspect that she might be pregnant.
