``I want to pass university this year...'' Kenta, a ronin student who lives alone in Tokyo and spends all his time studying, has the only moment of relaxation. - It was when he started interacting with Yumi, the married woman of the Yasuno family who lived next door. - One day, Kenta comes to Yumi's house for business and encounters Yumi washing clothes in the garden. - ``Yumi-san, is something different than usual...?'' That's when Kenta noticed. - The fact that Yumi is wearing no panties! - ! - From that day on, Kenta couldn't forget the sight of Yumi wearing no panties.