世島 犀人

Name: Saito Sejima
Sex: Male
Age: 30
Birthday: March 1
Profession: NPO Representative.
Likes: Fireworks.
Dislikes: Humans.
Hobbies: Murder.
Skills: Stabbing, Strangling, Killing, Shooting.

Saito is the son of So Sejima. His mother died giving birth to him. Born with a brain dysfunction that left him unable to properly secrete oxytocin, he can only feel pleasure from murder.

At 24 years old, he served as the murderous half of the Original Cyclops Serial Killer, and at 30 years old he is labeled as the New Cyclops Killer. He uses the Prototype Psync Machine to swap bodies with his victims before killing them.