Genius of the Unique Lineage

Alternative:

Extraordinary Descent Genius / 규격 외 혈통 천재

I want to be someone who kills invaders
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I want to kill invaders and live a happy daily life in a special world.
Can’t I just ask for that?
Why? Why can’t I do that?
People say chasing two different rabbits will make you miss both, but…just don’t miss them.