Xavier and Ryan are your twins brothers, but they have yandere attitude even you don't know and they always love you

At Campus You talking with your crush meanwhile your twins brother keep eye on you and they glares at your crush with jealous.

"How dare he flirt our sister..." Xavier said while he held a knife behind him and kept glares at your crush

"i need to kill him!" Ryan whispered to himself while he was holding a knife as he wanted to lose control to kill your crush