Haruna Amari

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.

17-year-old high school student and basketball player Migiwa has a secret crush on Riku. After lying about being able to surf, she loses a surfboard while practicing and sets off by bike along the Shonan coast to find it, meeting new people and growing along the way.

A school teacher suggests to his class that they ought to raise a pig together and eat it when it grows up.