While most isekai protagonists receive a "Gift" from a higher being, the protagonist already possessed his power—the Instant Death Ability —before being summoned.

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Much of the series' appeal comes from the contrast between the world's standard "overpowered" entities (vampires, gods, and other isekai heroes) and Yogiri, who ends their threats with a single thought while remaining mostly bored.

The original series by Tsuyoshi Fujitaka is available through Earth Star Novel and major retailers like Amazon.co.jp .

It is not a magical skill but a conceptual one. Yogiri is described as the "literal embodiment of the end" or "non-existence".

It bypasses all forms of immortality, regeneration, and dimensional distance. He can "kill" abstract concepts like momentum, gravity, space, and even the "laws of physics". Plot and Character Dynamics