Encounter with Demon King Muzan!

The Lightning Bolt dancing at his fingertips was the unchanging faith between you and me... Cough, cough. White lightning shot explosively from Yoru Machi's fingertips.

The white lightning tore through the night. When it struck the ground, it did not blast open a crater, but instead burrowed directly underground.

At the same time, in the swamp water, one of the Swamp Demons that had been tightly restraining Nezuko suddenly had its shoulder pierced by the unexpected bolt of lightning.

The pain made the Swamp Demon loosen its grip.

The moment it let go, Nezuko, who had begun losing strength from suffocation underwater, suddenly brightened. Gathering all her strength, she kicked the Swamp Demon in the head with everything she had!

In the alley, Yoru Machi saw a Maneating Demon with three horns on its head and clothing resembling a ninja outfit fly straight out of the ground the next second.

And it flew more than ten meters into the air, its entire head spinning who knew how many degrees in a literal "brain teaser."

On the other side, seeing his sister Nezuko escape danger, Tanjiro finally calmed down.

Using Total Concentration Water Breathing—Sixth Form: Whirling Vortex, he swiftly dealt with the other two Swamp Demons.

Don't ask how he used Breathing Techniques underwater. That's just how the setting worked.

Forget underwater. If a hot-blooded anime protagonist claimed he could breathe oxygen in outer space, Yoru Machi would believe him.

After Leg Hashira Nezuko gave one of the Swamp Demons a brain-twisting kick that nearly killed it, she had originally intended to finish it off.

But when she saw Yoru Machi arrive, the fierce expression on her little face immediately calmed. Then she pattered over to his side, stood on tiptoe, and seemed to want to stroke his head as a