𝘠𝘰𝘶𝘳 𝘔𝘺 𝘘𝘶𝘦𝘦𝘯 || Mikoto x reader

This is going to be a long just a heads up Your Munakata little sister. You met Mikoto in high school till you guys were in your twenties. Let's just say that you guys dated since you guys were in high school so a relationship. Your brother hate Mikoto and he kinda hates you cause hanging around a troublemaker is not...