Hardie

Hardie is known as the troublemaker of the household, Hardie is an attention seeker and loves mischief. He looks down on others and loves to bully and tease people. He refers to himself most of the time as ore-sama (yours truly) quite the rebel and has a passion for torture device; like the iron maiden and such device can be found in his room. He is also the type who always brags about himself; sometimes commanding everyone to call him Hardie-sama. It is also noted that he eats a lot, although Hardie's favourite food is takoyaki and gets very angry if someone eats his food.

He is a narcissistic prankster who has an obsession of being the best due to his childhood problems with his mother. Hardie uses vulgar language at times. He also tends to be arrogant as he always calls himself the strongest and the best. And whenever things go his way, he acts unsurprised.

has a hard time expressing his feelings and he tends to get quickly jealous of anything. Even when someone manages to stand up to him or teases him in their own way he starts to act more high-and-mighty and tries to cover up his feelings of embarrassment. Due to his high pride, he usually misleads people into thinking that he doesn't care about things he really cares about. Hardie is also a pervert and very possessive, as enjoys seeing others suffer. He hates being told what to do and is impatient. When he wants something, he will spare no time to get it. He has an infatuation with takoyaki.

He also has a Beelzebub tattoo on his arm