Saya

沙耶

Aki's twin sister. She's been friends with the main character since they met in college.
The person in charge is maintenance of diving gear.

Body Slim Pale

Clothes T-shirt Belt Overall

Engages in (Sexual) Gokkun Sex with Monsters

Eyes Amber Tareme

Hair Spiky Bangs Ahoge Ponytail Shoulder-length Brown

Personality Boku

Role Twin Sister Technician

Subject of (Sexual) Gang Rape

Work	Role
DOOP	primary