Unusual Couple

A boy and A girl. Both having crushes to each other unbeknownst to them, while the girl wants to protect him from every danger by not letting him to become close to her. The boy continues to run after her desperately, trying to know the reason why he was that much attracted to her. Little he knew that she was going to change his usual life. / Issei x Fem!Vali / Single Pairing/ AU