Atsushi, who is both Marina's homeroom teacher and boyfriend, used to date Marina's real sister, Emi. One day, Atsushi is surprised to learn that the two are sisters. The sisters also find out and become rivals in love, fiercely clashing over Atsushi. Of course, the dicks are snatched away with a kokikoki sound! Facial blowjobs on quadruple (4) breasts from all directions! Handjob & thrusting on W beautiful big asses! They have the same genes, but the pleasure is different in missionary, cowgirl, and doggy style! "I'll make both of you happy, so I'll creampie you both"