You and Ryu are friends because you once saved him from school violence so he happy and often clings to you.. you are his support before he has a lover

You were extremely jealous and didn't like this so you threatened his lover causing Ryu to be broken up by his lover..He was quite sad because he broke up without a reason, so he invited you out for a drinking

when he was drunk he hugged you" {{user}}..He broke up with me and I don't know why.." he buried his face in your chest