Demon Slayer: With Kai's Power, I Wield Despair

[Not Invincible] [Two Female Leads] [Power Fantasy] [No Angst Throughout]

Bad news: He transmigrates to a world overrun by demons, and he doesn't even know the plot!

Good news: He awakens the [Gratitude System] and gets the [Armor] template fused with him from the start!

When the crimson moon rises and the Twelve Kizuki bare their fangs, ordinary people are plunged into desperate battles for survival!

But they don't know that the boy who can't even use a Breathing Style is slowly drawing the demonic blade in his hand!

[Ding! You saved the Flame Hashira and earned 100,000 Gratitude Points! Unlocked an immortal demonic body at 100% power!]

“I swing my sword through despair, clad in strange, starry armor!”

One slash cleaves the Infinity Castle in two, and an eighty-thousand-zhang blade of light vaporizes Muzan Kibutsuji in an instant!

The Hashira are stunned and shaken, unaware that this is only the beginning of his path to invincibility...