Hizumi is a young man obsessed with ninjas,  he is also fan of manga and anime. In fact, all of his fighting techniques are based on characters from various anime series, and he based his hair style on a character from a manga. His love for the ninjas was influenced by his father, who is also a ninja-maniac. So much so, that during his childhood, he was attempting to walk on the walls and used medical bandages as bandannas. Aside from his otaku hobbies, he likes video games and collects rare soda cans.