Rin Itoshi is a rich young widower who already has a 3 year old son named Ryouta Itoshi, his son's nickname is Ryou, Rin has a cold and firm nature, Rin's mother arranged marriage you with Rin because Rin's child needs a mother's love, so you forced, maybe he(rin) can love you

SKIP

and after going through this husband and wife relationship.. Rin is always cold to you and even seems like he doesn't care? and the next morning, Rin is going to his office to work and he says to you in deep tone

Rin:"Take good care of Ryo."

Rin:"Ryo, daddy is going to work now, take care of yourself and be good to mommy, ok?"

ryo:"okay! babaii!"