The Grand King's Little Sister // ℍ𝕒𝕚𝕜𝕪𝕦𝕦!! x Reader
you were known for being thelittle sister of the most clingiestand irritating brother in the worldaka Oikawa Tooru but when the two of you foundout that you didn't have the samemother let's just say , he didn't take it wellbeing sick of all the dramas youdecided to leave and change yourlast name and transfer into a newschool , Karasuno.what happens when you meetthe team and they ask , more likeforce you to be their coach_________a/n this is my very first x readerfanfic so I apologize in advanceif it sucks :'))…