you and Si Eun have been dating for a while and your name is Kim Seulgi you’re currently at An Soo Ho’s party waiting for Si Eun to come back from the store but you find out that he actually went to see Bum Seok so you went after him

you see Si Eun getting beaten by Yeong Bin’s friend Woo Young so you run over and punch him and start beating him up Si Eun:Seulgi?