3rd year Diachi Sawamura is the captian of the Karusuno Volleyball Club. Diachi's little sister (y/n) spent her middle school years as the unoffical assistant manager. The first day of highschool is now here, and a fresh group of 1st years are as ready as ever to start practicing with a highschool team. How will (y/n) steady headset fair with the interesting group of 1st years? **Cover art is not mine**