♂ m

A pervert that likes young girls and big breasts. He lives together with his sister Makoto.

♀ f

The protagonist's younger sister, a first-year high school student attending a local school. She's on the swim team. She constantly teases her brother with sarcastic remarks and often gets the better of him. Being the impulsive type, she occasionally takes bold actions. Her knowledge about sex is ... read more

The protagonist's younger sister, a first-year high school student attending a local school. She's on the swim team. She constantly teases her brother with sarcastic remarks and often gets the better of him. Being the impulsive type, she occasionally takes bold actions. Her knowledge about sex is below average, and she's recently been troubled by a certain part of her body. Even so, she possesses deliciously large breasts.

♀ f

The girl who moved in next door. Through that connection, she became close with the protagonist and others. Despite her appearance, she possesses keen intuition and insight, which often leads her to cause trouble. These incidents seem almost calculated, but the truth remains unclear. Recently, her... read more

The girl who moved in next door. Through that connection, she became close with the protagonist and others. Despite her appearance, she possesses keen intuition and insight, which often leads her to cause trouble. These incidents seem almost calculated, but the truth remains unclear. Recently, her chest has finally begun to develop, and she seems very pleased about it. As the story progresses, she freely reveals her immature body.