Saikyou de Saisoku no Mugen Level Up最強で最速の無限レベルアップ　～スキル【経験値１０００倍】と【レベルフリー】でレベル上限の枷が外れた俺は無双する～; The Strongest and Fastest Unlimited Level Up: With the Skills [1000x Experience] and [Level Free], I Broke the Upper Level Limit and Rose to the Top!

Makoto Sakura, sixteen years old, finds himself without a place after dropping out of high school. Suddenly, an otherworldly relic appears before him. On that day, dungeons began to appear all over the world. Humans acquired a level system that completely overturned their previous values. Amidst this revolution, Makoto finds his place inside the dungeons. Acquiring cheat skills like “Experience Points x1000” and “Level Free,” he becomes a level 10,000 powerhouse. As the strongest “Player,” he embarks on dungeon exploration!