♂ m

A student aiming to go to college, he still retains a touch of childishness. He is devoted to his family; though they are not wealthy, he lives happily with his new family. However, following his father’s disappearance, his sadistic nature gradually began to emerge, and he began to subject his fami... read more

A student aiming to go to college, he still retains a touch of childishness. He is devoted to his family; though they are not wealthy, he lives happily with his new family. However, following his father’s disappearance, his sadistic nature gradually began to emerge, and he began to subject his family to repeated acts of domination without hesitation. Still, he retains some love for his family and occasionally struggles with his own actions.

♀ f

She is Kuzuhara Mikiko's younger sister. She is a teacher of the school attended by the twin sisters Mai and Yuu. She is serious and has a reputation for her guidance of students. Because she is an intelligent beauty, she is the center of attenti... read more

She is Kuzuhara Mikiko's younger sister. She is a teacher of the school attended by the twin sisters Mai and Yuu. She is serious and has a reputation for her guidance of students. Because she is an intelligent beauty, she is the center of attention and an object of admiration among the students. Yuuichi discovers that, under the guise of “student guidance,” she is secretly having sexual intercourse with several students, and he uses this as leverage to discipline her.

♀ f

Although she isn't biologically related to Yuuichi, She and her twin sister are deeply attached to him, and lovingly call him "Big Brother". The two had been spying on Mikiko as she was trained by Yuuichi. The two of them also share a secret. They regularly caress one another night after night, an... read more

Although she isn't biologically related to Yuuichi, She and her twin sister are deeply attached to him, and lovingly call him "Big Brother". The two had been spying on Mikiko as she was trained by Yuuichi. The two of them also share a secret. They regularly caress one another night after night, and once Yuuichi found out about it, they ended up being trained by him.

♀ f

She married young and became the mother of three daughters, but her first husband passed away. Later, she met Yuuichi’s father and remarried him. Yuuichi, too, was captivated by her beauty and harbored feelings for her even though she was his stepmother. Because her husband was so busy with work, ... read more

She married young and became the mother of three daughters, but her first husband passed away. Later, she met Yuuichi’s father and remarried him. Yuuichi, too, was captivated by her beauty and harbored feelings for her even though she was his stepmother. Because her husband was so busy with work, they hadn’t been intimate recently, unable to satisfy her desires with her mature body, she had been having repeated affairs behind her family’s back. A mysterious man obtained photos of her in the act of cheating, which Yuuichi discovered, making her his first target. Using her betrayal of his father as a pretext, Yuuichi repeatedly humiliated and trained his stepmother.

♀ f

Although she isn't biologically related to Yuuichi, She and her twin sister are deeply attached to him, and lovingly call him "Big Brother". The two had been spying on Mikiko as she was trained by Yuuichi. The two of them also share a secret. They regularly caress one another night after night, an... read more

Although she isn't biologically related to Yuuichi, She and her twin sister are deeply attached to him, and lovingly call him "Big Brother". The two had been spying on Mikiko as she was trained by Yuuichi. The two of them also share a secret. They regularly caress one another night after night, and once Yuuichi found out about it, they ended up being trained by him.

♀ f

The protagonist’s step sister. She is attending a boarding school for wealthy young ladies, but after receiving word that her father had gone missing, she temporarily returned home. She is actually a true exhibitionist with a habit of public masturbation. Images of her taken by a mysterious man wer... read more

The protagonist’s step sister. She is attending a boarding school for wealthy young ladies, but after receiving word that her father had gone missing, she temporarily returned home. She is actually a true exhibitionist with a habit of public masturbation. Images of her taken by a mysterious man were sent to Yuuichi, this became the catalyst for her training.