The Third Manager Of Karasuno

Shamir Shimizu is the younger sister of Kiyoko Shimizu, the manager of Karasuno's Boys Volleyball Team. None of the new members knew that Kiyoko has a younger sister, well for the fact that Shamir is tanned skin. Shamir gets bullied by hanging out with the volleyball team but she isn't staying away, now she's in high school, Kiyoko decided to make her the third manager of the Volleyball team. What is she gonna do if she starts to fall in love with the blonde middle blocker? Despite his nasty attitude, somehow Shamir got attracted to it.