At this school, school swimsuits became the uniform at the time of switching to summer clothes. Although there was some confusion at first, the girls now find it surprisingly comfortable and popular. Since they serve as a replacement for the uniform, the girls wear their swimsuits from home and take the train to school. To a first-time observer, it's a bizarre sight, but to the locals, it's just a normal part of daily life. However, it's true that this is quite stimulating for the male teachers. Naturally, some girls take advantage of this to play pranks, testing the teachers' ethics every day. But these teachers are just males at heart. Mistakes are bound to happen. No man can resist the sight of so many cute girls in school swimsuits! So, it can't be helped if school life becomes lewd...
