Totsuzen Ane ga Dekita Hanashi 4

Two weeks after their beach trip, Tomoaki goes to a summer festival with his two stepsisters, Riho and Moeka. The sisters, dressed in yukatas, compete for his attention. They find a secluded spot away from the festival crowds, where Moeka initiates a sexual encounter with Tomoaki, soon joined by Riho. Tomoaki continues having sex with Riho while Moeka watches and masturbates. After Tomoaki finishes inside Riho, Moeka takes her turn, giving Tomoaki a blowjob and then having sex with him. The three of them watch the fireworks together afterwards. A week after the fireworks festival, Riho and Moeka propose a new competition to Tomoaki. Dressed in revealing cosplay outfits, they declare an endurance contest where the winner is the one who collects the most semen from him without climaxing themselves. The sisters take turns having sex with Tomoaki, using various positions and toys to edge him and each other. Tomoaki continues his sexual encounters with his stepsisters, Riho and Moeka. They engage in a competition to see who can extract more semen from him, using bottles to measure the results. After a long night of sex, they wake up late the next day. The sisters, dressed as maids, prepare a meal for Tomoaki and suggest taking a bath together, hinting at more sexual activities.