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Cover of Cause of Death: Natural Causes
Web novelongoing

1 chapter~1K wordsUpdated Jul 2, 2026

Warnings:AI-Generated ContentGraphic Violence

Cause of Death: Natural Causes

by rockbungi

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About

A night-shift doctor closes his eyes in one world and wakes in another — with nothing but his medical knowledge and one companion: a black notebook that answers when he speaks. Magic here is written like code, and every mage chases raw power. He has none. What he has is precision. A pinprick of force to thin the wall of an aneurysm. A whisper of timing to unbalance a healthy heart. He kills the way an internist reads a chart — quietly, exactly, in a way no coroner will ever question. Every death he arranges is ruled the same: natural causes. He heals the poor by day and removes the untouchable by night, telling himself he only cuts out what is rotten. He knows it is a lie he can live with. But a sharp-eyed apprentice, a church that burns the sick to "cleanse" them, and a kingdom's shadow that has been hunting for a blade exactly like his are all closing in — while a plague drifts in from across the sea, carried by an empire too vast to notice what its own breath kills. Small, quiet, precise. That was the plan. Note: This is a fan/hobby work whose prose is written with AI assistance, from a physician author's outlines and medical direction. Disclosed honestly (see content tags).

Genres

IsekaiScience Fiction

Tags

Portal FantasyAnti-HeroMale LeadMysteryArtificial IntelligenceHard Magic SystemReincarnationOverpowered Protagonist

Editions & translations

enHuman translation

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