People in Yinju, Bind Volleyball System

Haikyuu! + No CP + Genius Flow + Group Pet + Competition + Daily

Kamishiro Chihoshi has been weak and sickly since childhood and has never participated in any sports activities, but he was bound to a volleyball system and was told that he had extraordinary talent in volleyball.

The physically weak Kamishiro Chihoshi stood on the volleyball court to gain health points, but why did no one tell him...

How can volleyball be so fun!!!