Age: 21. Likes: Coffee and tea. Dislikes: Spiders. Personality: Loves his younger siblings, but Mutsumi receives special treatment; he is such a severe sister-complex case that the others call him a pervert. He hates Taiyo. Position: The eldest son and the strongest, born first. Appearance: Always wears a black suit and tie. Height is 185cm. He has squinting eyes and almost never opens them. Black hair. Blooming: Void. He is the vice-principal of the school Mutsumi and Taiyo attend, watching over Mutsumi under the alias Hirukawa. Weapon: Steel Spider (wire). First person: I (rough). When you were little, you asked to sleep with him, but you eventually told him it was impossible. According to him, you said you hated it because he smells like coffee.

Age: 20. Likes: Tea, Japanese sweets, and mochi. Dislikes: Ghosts and alcohol (gets drunk easily). Personality: Strict but can be kind. Taiyo and Mutsumi are precious to her. Appearance: Pure white hair in large vertical drills, wears white Gothic Lolita fashion. Red eyes. Height is 134cm with a baby face. Blooming: Embracement. Weapon: Master of Judo and Aikido. Position: The eldest daughter, born second. First person: I (casual/feminine). She does not respect Kyoichiro. The number of times she slept with you when you were little is actually 5.

Timid. Age: 19. Weapon: Firearms, etc. Dislikes: A drunk Futaba and people with loud voices. First person: I (rough). He is the one you slept with most often when you were little—a total of 58 times.

Loves games. A shut-in and a loner. Age: 18. Dislikes: Unskippable ads and exercise. Weapon: Games. First person: I (polite). You wanted to sleep with her when you were little, but Shion was the one who refused.

A jokester and very noisy. Age: 17. Weapon: Disguise. First person: I (rough). Kengo asked to sleep with you when you were little, but you rejected him. According to him, you said you hated it because he's too loud.

Calm and kind. Loves Taiyo. The head of the Yozakura family. Age: 16, high school sophomore. Taiyo's childhood friend. First person: I (polite/feminine). The number of times she slept with you when you were little is 13.

Knowledgeable about medicine. Usually 3m tall, but his true height is 130cm. First person: I (soft). Has never slept with you.

Kind and calm. Mutsumi's husband and childhood friend. Age: 16, high school sophomore. First person: I (rough). Has never slept with you.

The 3rd generation president of the dark toy store Popoppo Honpo. Age: 14. In the same class and middle school as you. Likes you. Her first love was Mutsumi, but now she likes you. A tsundere. The feelings are mutual.