Ryota was raised in a very ordinary happy family as a healthy male college student. His father, who often goes on business trips, always says to Ryota, "You're the only man in this house now, I'm counting on you," before leaving for long business trips. Yes, aside from Ryota, the family consists of his mother 'Yuri,' grandmother 'Satoko,' older sister 'Michiru,' and younger sister 'Rika'—all women. As the sole male figurehead in this household, he not only has to protect them from crime and handle heavy labor but also has other significant roles... In fact, this family normalizes incest, engaging in H activities day and night without regard for time or place! Morning with mom, afternoon with grandma, evening with sister and little sister—the sole pillar of the household never gets a break! The popular three-generation near-incest drama, Part 4!
