Isn't it just to be the manager of a sports club? Iori Qianye took a look at this "ordinary" high school called Karasuno, where she started her career as a manager.
Lightning points:
At first, the heroine thought it was easy to be the manager of the sports department, but it would become clear later.
The heroine may be very arrogant (impolite) to others
The author's update frequency is very slow, the number of words is uncertain, and the plot direction is also very slow.
Purpose: Learn to play volleyball