Karibe Tomoya

A third-year student living with his parents.
His grades are above average, with an average deviation score of around 55.
He's good at science, but not so good at humanities.

His hobby is tinkering with computers, and he can build his own PCs and program them to create games and applications.
He's also good with the internet, and has reached a level where he's well-versed in illegal technology.

Deep inside, he harbors sadistic desires and a strong sexual appetite, and is obsessed with cruel videos.
He runs a secret website that uploads such videos, and has a perverse desire to create sex slaves.