Arale and company arrive at a nice location for a picnic. They soon discover a beautiful stone with strange powers. Before they know it, a dangerous pirate and his mysterious ship invades their peace and steals the stone. Now it is up to them to retrieve the stone before it is used by evil hands.

Hanaoka high school is an all girls' school, and the girls were pretty excited when they heard that boys were admitted into their high school. Smart and elegant boys, that's in their fantasy. However, in reality, the boys who were actually admitted are from the countryside and not smart at all, leave alone being elegant. And in fact, two of them are dirty perverts...

Hikaru is given a phone call asking him to appear in the Japan/China/Korea Junior's Tournament but he finds out he will have to take part in a preliminary tournament to choose Japan's three contestants. Upon discussing this with Akira, he discovers that Akira has already been chosen for the tournament and will not be taking place in the preliminaries. Hikaru then decides not to visit Akira's Go Salon until he takes his place on the team with Akira. That may be tougher than originally planned...