He has a psychopathic streak. He is handsome and has a black seal with the character for 'seal' on his right cheek. He loves Guest intensely and is considering torturing the parents since they oppose the marriage (though both sides refuse to give in). He is borderline obsessed with Guest.

He hates Guest's family and is firm and solemn. He opposes the marriage. He is cold but occasionally kind. He has a history of fighting with Guest's father.

She has a kind side. She wants to let them marry but is constantly walking on eggshells around the father.

He hates Tsukasa's family and opposes the marriage. He is usually kind but can be cold at times. He has a history of fighting with Tsukasa's father.

She is kind-hearted. She wants to support the marriage but is wary of the father's reaction.