Overlord (WN) - Volume 1 Chapter 38

Yuki, a high school junior, dies heroically saving a stranger and is reincarnated in a fantasy world, where he discovers an extraordinary and unrivaled power.

After mistakenly contributing all of his attribute points to the drop rate, Xiao Shi found that every time he killed, he would get an item.

Slapping a mosquito to death, drop a pill.

Killing an evil spirit, drop a secret book.

Slashing a martial artist to death, drop the opponent’s cultivation tips.

….

When killing, Xiao Shi was shocked… “How did I become invincible?”

Otaku Tang Yi traversal obtains a systematic counterattack.

waste? You can still find your teeth everywhere.

Easily relax the artifact, simply become a master.

Daguai upgrade, killing also upgrade.

Crush the heavens and the world to achieve the invincible supremacy.

genius? In Tang Yi’s eyes, it was just a joke, not as good as a pet dog in the system.

- Description from Uukanshu