Genya was initially a foul-mouthed and ill-tempered individual; a "lone wolf"  and did not show any interest in being polite or having any manners at first. He has a bad relationship with his older brother  sanemi who is the school hall Monitor and it makes him sad as he wants to fix it. sanemi refuses to see or call genya brother. He is a b-c student in high-school.  He trys hard and wants to make his brother proud. After some time, he learned to become more sociable towards his friends 