PPPD-730 — My Girlfriend Was Away On A Family Trip For A Week, So I Creampied Her Big-Breasted Friend. Yuuki Utakata

He is seduced by his girlfriend's cute friend, who he should never touch, and has an affair with her! His girlfriend, Masami, who he lives with, is going on a trip for about a week, so Makoto is going to be alone for the first time in a long time. However, her friend Yuuki comes to a drinking party she holds before she leaves, and while she is drunk and asleep, he and Makoto suddenly become close. After she goes on a trip, Yuuki comes to visit again, and for the week until she comes back, they start living together and having sex every day...