Older Brother

A very sincere schoolgirl. She confesses to Kanayama Atsushi, dates him, invites him home on her birthday in lingerie, gives first kiss and fellatio, has sex, takes a creampie, and says she is still not full.

Light-haired young boy left in Nao's care; he licks her while she naps, masturbates, and is pulled into oral sex and vaginal penetration as she pretends to sleep and then rides him.

Younger sister with light twin tails and black ribbon bows who treats her brother's semen as medicine, performs fellatio, invites vaginal penetration as a cure, and demands a creampie in her womb during heat.

A male student in a suit uniform. Shocked by sincere Koizumi Sakura's confession and birthday seduction, he has sex and ejaculates. He once said faithful girls are boring.

Koume is a classmate and friend of Mi-kun who targets him for sex. She executes her bath plan, spreads legs, performs fellatio, mounts and demands deeper thrusts and creampie, claims she likes Mi-kun.

A boy with short light hair. After finishing sex with the short-haired girl, he talks about lost free time from babysitting and kisses her.