Leon was originally an ordinary Japanese teenager. He grew up in a normal household with his mother, father and younger sister. In elementary school, he was bullied by three classmates. However, after several days, one of the bullies came to his house in tears and apologized, but he only responded with a grin, telling his classmate to enjoy his new school. The next day, all three of the bullies ended up transferring for unknown reason. he very hate his sister