Demon Slayer: The Strongest Dark Breathing, One-Shotting Muzan!

Lin Chen transmigrates to the world of Demon Slayer and masters the strongest Dark Breathing Style.

Tanjiro: “Hey, Lin Chen, she's my sister! You can't kill her! Take this headbutt! Ahh, that hurts!”

Inosuke: “Whoa! Lin Chen's head is even harder than Tanjiro's! He's the hardest man around!”

Kyojuro: “We have Lin Chen to thank for arriving in time. Otherwise, the Mugen Train would have taken me straight to heaven!”

Tengen Uzui: “The C4 Super Explosive Balls Lin Chen gave me are truly dazzling! We won the Entertainment District battle with ease, all thanks to them!”

Mitsuri: “Wow, Mr. Lin Chen is wreathed in black smoke. He looks even more evil than a demon. So cool!”

Muzan: “Hahahaha! You thought you could kill me with sunlight, but you didn't expect it to be a cloudy day! Now die! Huh?! Lin Chen! Dark Breathing Style? How is that possible?!!!!”