STAR-942 Mana Sasakura: Brothers who pretend to be virgins with insane stamina pound their sister's friend with hard pistoning, making her arch her back like a shrimp and convulse in multiple explosive orgasms.

College student Mana one day is begged by her friend's brother to lose her virginity at her friend's house. The kind-hearted and easily persuaded Mana ends up accepting, but her friend's brother is not a virgin and incredibly skilled! Unexpectedly, she experiences intense thrusting & continuous sex, making Mana climax repeatedly. Worse still, the extremely skilled younger brother, who also pretended to be a virgin, also has his way with her, causing her to arch her back and climax continuously!