MTL - Way of the Devil - Chapter 4 Black tiger knife

Young clerk Loya crossed and came to the world of the legendary OP. As a traversal party, he naturally had golden fingers, but his golden fingers turned out to be the dragon annihilator system from the demon tail!

Is still the ice dragon dragon wizard!

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What interesting chemical reactions occur when two worlds with completely different power systems touch together?

When the laser of the ape meets the roar of the ice dragon, what will it look like?
When the green pheasant saw the mouth of the dysentery being eaten by a mouthful, what kind of stunned?

“If it wasn’t for fear of becoming a dragon, I would have unified the world!” Said Loya.
“Don’t you dare say that you are seasick?” Carp buttoned his nostrils and smiled dismissively.

- Description from Uukanshu

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.

Seven billion humans living on the Earth time-traveled together after they had woken up one morning. They all heard a synthesized female voice.