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“Don't just stand there doing nothing you pain in the ass...! Or does your "Black Magic" specialize in that too?” In the present era, adventurers, demons, heroes, and demon lord, are no longer occupations that put one's lives at stake. With the world at peace, it is an era where conquering dungeons has been transformed into entertainment. Adventurers and monsters are able to fight with a substitute body made of magic, popularizing dungeon conquests with no deaths. Having lost his job, the “Black Mage” Remme struggled with finding another party until one day a beautiful woman appeared before him telling she had a job for him.
Kousuke Kurono was an Avenger. After being raped, his beloved little sister was left out in the cold and froze to death.From the time he was 13-years old, Kousuke made use of any possible means in order to exact his revenge. 5 years had passed, he achieved his revenge, but having lived solely for the sake of revenge, at the moment his revenge came to fruition, afterwards he couldn’t muster up the willpower to live on. That’s why, with the same knife he used to kill the culprit, he slit his own throat. However, he then heard a voice; “Is that not wasteful?”. When he came to, he found not his home, his country, nor his world——It was another world.
Toma was transmigrated into another world due to an accident caused by a female circle crusher. So, he made friends in the new world and rebuilt his life as an adventurer. However, then, another girl joined his party... Will his life collapse once again because of another circle crusher who also exists in this new world!?
In a world where battles between 'Demon Lords' and 'Heroes' are spectacles for entertainment, Remmé the black mage finds his [Debuff] powers aren't flashy enough. Leaving his party who has lost faith in his abilities, Remmé finds trouble gaining a new team of allies when a mysterious lady appears...