The brother-in-law, who is staying with his sister-in-law, is in a daze after being cruelly dumped by his beloved girlfriend. His sister-in-law, Haru, comes to encourage him, as he shows no signs of recovering. "Well, there's no other way. Why don't you rub my boobs and cheer up?" "What are you talking about, sister-in-law!?" Her braless boobs are revealed from under her knitted sweater. The brother-in-law swallows his saliva at the sight of the big boobs before him. The consolation sex that overwrites his memories with his ex-girlfriend begins...