The Hero with an Infinite Mana Bar Sweeps Through Another World

If you were completely helpless, holding a thick spellbook while facing a terrifying giant bear unlike anything you'd ever seen, even in your nightmares, would you regret reporting that pervert who was secretly filming in the women's restroom?

You transmigrate to another world, thinking you'll finally get to show what you can do, only to find...

I just have a longer mana bar than everyone else!

Ah, the thing is, I'm so stupid! I can't learn magic no matter what. What's the use of having all this mana?

But Hua Jiachen's useless ability doesn't turn him into a nobody who can only throw first-level fireballs. Instead...