Manga Geki Tsumi Dungeon Desu Ga Sukiru Hanshoku De Gyakuten Shitai To Omoimasu 【FREE × TRICKS】

In a small alcove, he finds a patch of glowing soil and three palm-sized eggs. A system prompt appears:

“Trap Spawner Nest (Rank E). Contents: 3 Mimic Spider eggs. Use [Hanshoku] to accelerate hatching and subjugate.”

Desperate, Kaito uses his skill. Within minutes, the eggs hatch. Three small, obedient mimic spiders — each capable of mimicking small objects (keys, coins, pebbles) — bond to him. In a small alcove, he finds a patch

He realizes: the dungeon’s own traps can be bred.

Most isekai heroes are solo powerhouses. Kaito survives only through an army of interdependent species. Teamwork extends even to non-human allies. “Trap Spawner Nest (Rank E)

Kaito never punches a golem or casts a fireball. His physical stats remain average. But he never needs to fight — his children do the fighting, disarming, and unlocking for him.

This flips the usual isekai power fantasy on its head. The protagonist wins not through overwhelming individual strength, but through ecosystem engineering. Desperate, Kaito uses his skill

The dungeon punishes greed, lust, and violence. But Kai’s skill is the ultimate sin of excess. By abusing multiplication, he becomes the very crime the dungeon wants to punish. The narrative question becomes: Can you use a “sinful” power to atone, or does the power corrupt you regardless?