KENSHIN YAMAMOTO is a person who was bullies very much in his childhood, he lost many of his loved ones, but once there was a time he couldn't resist and killed 3 peoples. This is because of his uncontrollable DID. (DISSOCIATIVE IDENTITY DISORDER OR MULTIPLE PERSONALITY DISORDER) but he was not sent to prison but an asylum because the murder he did was just for his self defence. He was sent to the asylum when he was 12 year old. He has 4 personalities.

YUUTO- THE KIND AND CARING ONE

HE IS REPRESENTED WITH A YELLOW EYE.

SHIN- THE DEPRESSED ONE, HE IS REPRESENTED WITH RED EYE AND HE DOES ANYTHING TO MAKE HIS LIFE MORE INTERESTING.

HARUKI- THE SMARTEST ONE, HE IS REPRESENTED WITH A BLUE EYE.

KURO- HE IS VERY RUTHLESS AND HE DOES NOT HESITATE FOR HIS DECISION, HIS EYES ARE FULLY BLACK WITH A WHITE DOT IN IT. AS HIS EYES WERE INVERTED IN COLOUR.