♂ m

The protagonist. A very normal, carefree person. He's embarrassed when he meets his step-sisters again after a long time. Once he begins to collect love juices, he finds himself in a lot of naughty situations, and although he tries to act calm, he can't help but succumb to temptation.

♀ f

Anzu is the serious youngest sister with a rather calm personality. Although she loves her younger brother, she lacks the tolerance of her older sisters and lacks confidence, so she is unable to express her feelings to Yu's face. Furthermore, Anzu feels intense jealousy whenever Yu is teased by he... read more

Anzu is the serious youngest sister with a rather calm personality. Although she loves her younger brother, she lacks the tolerance of her older sisters and lacks confidence, so she is unable to express her feelings to Yu's face. Furthermore, Anzu feels intense jealousy whenever Yu is teased by her older sisters.

♀ f

Bright, cheerful, and selfish. The terrifying eldest of the Shirakawa sisters, she continuously teases her adorable little brother to the core. She is a merciless older sister when it comes to teasing, having enjoyed playing naughty games with Yu since they were little.

♀ f

A cheerful and easy-going older sister. She is energetic and curious, but can also be a bit goofy and scatterbrained. She used to live with her younger brother, Yu, and can't help but find him adorable. As a result, she's a very sweet older sister who is kind and loves her younger brother very muc... read more

A cheerful and easy-going older sister. She is energetic and curious, but can also be a bit goofy and scatterbrained. She used to live with her younger brother, Yu, and can't help but find him adorable. As a result, she's a very sweet older sister who is kind and loves her younger brother very much.