Simp!!! || m.issei
(Mattsun x femreader) (Y/n) Oikawa just wants a normal high school experience, but that will never be able to happen with who her brother is? Will she ever be able to get a boyfriend? Preferably the man she's in love with, one of his best friends? Or will it all amount to nothing. (There will be PLENTY of fluff and ns...