After transmigrating to another world, Yang Chi thought he would embark on an epic adventure of swords and magic. Instead, he starts out behind bars! In the Blackstone Tower prison, his cellmates are more outrageous than the last: a genius alchemist whose KD ratio puts even dragons to shame, a seemingly innocent priest skilled in necromancy, and an evil god whose true name has been erased. Hunted by various factions at every turn, their original mission to defeat the Demon King goes completely off the rails. Why did things have to start like this? What happened to the promised quest to defeat the Demon King?