Haikyuu!!: The Gamer’s Disaster

Lu Ren, a gamer, accidentally stumbles into the Karasuno Volleyball Club. In his eyes, it's a peculiarly designed "abandoned dungeon": his teammates are NPCs with mysterious attributes, and training is a daily task with extremely low returns.

To protect his graphics card, he was forced to work, treating the basketball court like a game. He unlocked "god-level prediction" with a diving save and awakened the "king of the court" with his verbal sparring.

Just when everyone thought he was a mere armchair theorist, the 3v3 duel began—

Faced with Kageyama's "killer serve" and Hyuga's "monster fast attack," Lu Ren looked up in desperation, and a perfect parabola appeared in his field of vision that only he could see.

"BOSS strategy, let's begin."