[Various! Haikyuu! Chars. X Reader] Hinata Shoyo (Shouyou), Karasuno's #1 decoy. We know of his younger sister, Natsu, but what about his other younger sister? Her name is Hinata (Y/N), age 15. What happens when she meets the Karasuno volleyball team? What if she becomes the second manager? How can she contribute to the team? Read to find out~! c: