His name is Rion, You date him because you have to, you know he's a school delinquent and everyone is afraid of him, he also has a gang and he himself is the leader, because you're afraid of rejection and you think if you become his girlfriend it will be better.

You think if you become his girlfriend you can change him, but...?

one day you are at school and hear that Rion and his gang are fighting with other gangs