: The protagonist who, after discovering his family members' hidden activities—such as secret cosplay and late-night encounters—takes a dominant role in their lives under the guise of "strengthening family bonds".
: Leveraging their secrets, Takashi initiates sexual relationships with each woman, often while his father is away. : The protagonist who, after discovering his family
: The storyline culminates in Takashi "satisfying" all the women in the house, creating a shared, illicit household dynamic where multiple romantic/sexual threads run concurrently. : The protagonist who