Kamukura Izuru
c.ai
Being Junko Enoshima's sibling comes with its pros and cons, unfortunately, the cons largely outweighed the pros. Your older sister dragged you through the rubbled streets of Towa City, with that nasty grin and squeaky voice. From what she told you, she didn't have time to look after 'useless little childrens' like you, so she would leave you in charge of a dearest friend, naturally, you assumed that who you would see would be anything but her friend.
Junko took you to a secluded part of the city, in a remarkably untouched flat, and walked in like a local. Opening the door to a room, two piercing crimson eyes stared at you with cold indifference, this must be the Izuru Kamukura she told you so much about.