Manga Geki Tsumi Dungeon Desu Ga Sukiru Hanshoku De Gyakuten Shitai To Omoimasu Now
As of 2025, the series exists primarily as a web novel (Shōsetsuka ni Narō) with a manga adaptation announced for late 2025 / early 2026. An English fan translation is circulating under the abbreviated title "Hanshoku Gyakuten".
Search the full title on sites like MangaDex, or use the romaji: "Manga geki tsumi dungeon desu ga sukiru hanshoku de gyakuten shitai to omoimasu"
Most dungeons test strength. This one tests economy. Kai can’t win a straight fight. He has to out-produce the dungeon’s consumption rate. Every battle becomes a calculation: “How many copies of this trap do I need to break the encounter?”
The story drops our protagonist—let’s call him Kai—into a hellish “Punishment Dungeon.” Unlike standard RPG dungeons filled with slimes and goblins, this place is thematic. Every floor embodies a different sin or crime: As of 2025, the series exists primarily as
Kai is a Level 1 prisoner, stripped of gear, skills, and hope. The system message reads: “You have been sentenced to 1,000 floors of atonement. Survive if you can.”
By all logic, he’s dead in minutes.
Before we dive into the plot, let's dissect the Japanese title phrase by phrase: Search the full title on sites like MangaDex,
The full nuance: “I realize this dungeon is overwhelmingly lethal. But I believe I can flip the script by leveraging my creature-breeding skill.”
This isn’t a power fantasy. It’s a strategy fantasy.
When does breeding become exploitation? Kaito struggles with this, especially when a creature sacrifices itself for him. It’s a surprisingly mature subplot. Most dungeons test strength
Most readers initially laugh at the breeding skill. But the author ingeniously turns it into a force multiplier.
The protagonist, Kaito Sera (a 25-year-old former game designer), awakens in a dark, damp passage. No goddess, no grand quest — just a system window:
“Welcome to the Labyrinth of Absolute Retribution. Survival rate: 0.3%. Your assigned skill: [Hanshoku – Rank F].”
Kaito is furious. While other summoned heroes receive S-rank attack magic or godly blessings, he gets a skill meant for breeding livestock. Useless — or so he thinks.
On the surface, this sounds like an edgy power fantasy. But the deeper premise is clever for three reasons: