Series of extreme acts of invading the sanctuary of a uniformed beautiful girl and pouring out forbidden desires! Today's target is... the fluffy natural type beautiful girl idol "Yakumo Rin" who descends by breaking the rules (!?)! Body touch of poking and rubbing, and even a vibrating toy that shakes and shakes appears, can the sensitive Rin-chan endure the extreme attack!? In the end, she responds with a reaction that shakes and shakes in a state that can be said to be no guard, so charge into Rin-chan's sanctuary with all your might!