♂ m

The protagonist. Everyone around him thinks he has a sister complex even though he denies it. While he does recognize the beauty of his elder sisters and he does sometimes fantasize about them he would like to have a normal relationship with them. Mostly to stop people from teasing him about it.

♀ f

A classmate of Shiori's. She has a crush on him but accuses him of having a sister complex. Mostly because Amane is very close to him and sometimes kisses him at scho... read more

A classmate of Shiori's. She has a crush on him but accuses him of having a sister complex. Mostly because Amane is very close to him and sometimes kisses him at school. She just wants him to act normal around his sisters. Her breasts are small but she's not overly concerned about it.

♀ f

Shiori's eldest sister. She tries very hard to make her younger brother Shiori and her younger sister Misaki to act responsibly. She'll sometimes lecture them when th... read more

Shiori's eldest sister. She tries very hard to make her younger brother Shiori and her younger sister Misaki to act responsibly. She'll sometimes lecture them when they do bad things. She's very sweet and protective of Shiori. She loves kissing him to wake him up and sometimes even in front of others at school.

♀ f

Shiori's second oldest sister. She's often harsh to her younger brother and will often put him in headlocks when he makes her mad. She's overweight and is very sensitive about it. She calls her older sister Ama-nee.

♂ m

A classmate of Shiori's. He has a crush on his sister Amane and is extremely frustrated that she's more interested in her brother than other men. He blames Shiori for having a sister complex.