The second live-action entry in Yuzuha's hit series follows an adult male lead spending the summer at a boarding house run by his adult cousin Yukinee. The two fall into a daily routine of satisfying each other's lust, but resident Hagika soon returns. They try to continue their sex life behind her back, unaware that the cool, reserved woman has noticed their encounters and repeatedly masturbates to their lingering erotic scent. Then he catches Hagika touching herself...