Phantom Mother, Forbidden Mother-Son Partner Swap, Carnivorous Parent-Child Sexual Intercourse Counseling Room, Miyase Riko, Hoshino Akari, VENU-304

My younger sister, Riko, came to my house to talk to me because she felt a distance growing between herself and her husband. Although I gave her a lot of advice, I was still very worried about her introverted personality… Unexpectedly, my son, Takashi, overheard our conversation and gave us some advice. It was something we'd never even imagined—a really spicy suggestion…