When the man who comes home with his boyfriend starts to spend time with his friend in the room, when his half-sister comes in, the girl in a mini-skirt starts to go in and out of the room constantly because her stepbrother is in love with her friend. Meanwhile, when her boyfriend says that she is influenced by her half-sister, her brother, who called her sister in, tells her that her boyfriend is influenced by you. Meanwhile, he doesn’t care that his horny boyfriend is his half-sister, and suddenly sticks to his lips and starts to make love by undressing the girl next to his brother, and his step-brother, who is affected by this situation, is enjoying the room by making love to his step-sister with his boyfriend.