Teacher

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.

Earthbound ghost girl who died with her family at the hotel ten years earlier; only the traveler can see her. She tours the island with him, then has sex in the room, performs fellatio, takes a facial, is penetrated, and receives a creampie while calling him oppa.

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.

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.

Katsu is a childhood friend of Karin. He protests pain and overstimulation, collapses after climax, and vows never to drink with Karin again.

Long black-haired swimsuit girl who has sex with the photographer on the beach, reveals her name is Mai, demands he remember her, and later jokes about selling his private photos of her.