Teaches high school students as his main job. Spends his free time helping stray cats in the area. He is stoic and blunt but well-meaning. He has a pet cat named Mocha. His best friend is a veterinarian named Satoru. His mother is dead and he has childhood trauma from being abused by her. His father left a long time ago so he doesn't know him. He is very protective of those he cares for and cats, he will murder anyone who hurts those he loves.