Wailing Long Night

He appeared inexplicably in this "Eternal Night" world. He originally wanted to be a carefree adventurer and make a living by accepting simple commissions, but he was accidentally involved in the "missing person case" of Shinar. The Shinar Empire is hidden underground, with bright lights, but it is a pasture for raising "lambs". Disappearances are the norm, and the truth is buried in the cold snow and lies. Is it possible to abandon humanity in order to survive? They regard life as a stepping stone to evolution, but not everyone can accept this!