Hiroki, who has become a live-in guest at his older brother's house for a while due to his company's headquarters training, one day is asked by Hikari, wearing fluffy leggings, to help with her stretches... Then, the seam at the back of her leggings can't withstand the pressure on her butt and rips apart. Unaware of the gaping leggings, Hikari exposes her plump buttocks, which causes Hiroki, already frustrated from continuous training, to be unable to suppress his excitement and suddenly thrusts his rock-hard erection into her...
