Makoto Kousaka

After a family survives a shipwreck, they live together on a beautiful deserted island, where every day is filled with unusual adventures.

Hiromi Oka, a first-year student at West High School, joins the tennis club admiring Reika Ryuzaki, aka Mrs. Butterfly, and senior Todo. She is a complete beginner, but as soon as she joins the club, the devilish coach, Munekata, sees her talent.