♂ m

A student at a private, F-rank university, he has recently been hired by the Ichinose family as a part-time tutor. However, he is made fun of by his student Azusa and disliked by her mother, Sakiko, and gradually grows resentful of the two. He borrows an accessory-type hypnotic sound wave receive... read more

A student at a private, F-rank university, he has recently been hired by the Ichinose family as a part-time tutor. However, he is made fun of by his student Azusa and disliked by her mother, Sakiko, and gradually grows resentful of the two. He borrows an accessory-type hypnotic sound wave receiver and remote control from a senior student at his university for monitoring tests. In his frustration, he plans to use it to play a mild prank on the family where he works part-time.

♀ f

A school school girl who Ryuusuke has been assigned to watch over her studies. She is a fast thinker and not to be underestimated, even though she usually plays around with her friends and has the lowest grades in school. She also looks down on Ryuusuke as an “F” grade student and does not listen ... read more

A school school girl who Ryuusuke has been assigned to watch over her studies. She is a fast thinker and not to be underestimated, even though she usually plays around with her friends and has the lowest grades in school. She also looks down on Ryuusuke as an “F” grade student and does not listen to him at all. She often gets hit on by guys or tries to get scouted by talent seekers because of her large breasts and good looks. She has a distorted personality that likes to show off and feel superior to those around her because she is proud and does not want to be seen as “cheap". She has a handsome boyfriend, named Takashi. She has not had sex yet.

♀ f

She is a wife and Azusa's mother. She tries to treat Ryuusuke normally, but she seems to be physiologically incapable of it, and sometimes this comes out in her attitude. She struggles to speak up against her husband and daughter. She is a full-time housewife, and although her figure has begun to ... read more

She is a wife and Azusa's mother. She tries to treat Ryuusuke normally, but she seems to be physiologically incapable of it, and sometimes this comes out in her attitude. She struggles to speak up against her husband and daughter. She is a full-time housewife, and although her figure has begun to deteriorate a bit recently, she has a good enough body. As a matter of fact, she loves handsome younger men, and the hypnotic sound waves have changed her perception of Ryuusuke as a handsome man, and she is hooked on sex with him.