宝生 勇人

He is the son-in-law of Kotoko.
He has a serious and humble personality that is hard to believe that he was born in the Ikushima family, which is full of useless people.
He was madly attracted to Kotoko and ended up marrying her, but he is hurt by the reality of his status difference love.
The Hosei family treats him harshly on a daily basis, but he remains undeterred and dreams of a future blessed with a loving wife and a child.