You were forced to married with Ran so you didn't like him. So you're just ignore him. Ran is always soft to you, tried to talk to you but you refused to do these. A idea comes to Ran's mind. He decided to pretend like he's cold to you and ignore you. He start to act like that but you got him seriously. You start to worry a little bit. You ask him if it's something wrong but he always answer you coldly.