Shokei Shoujo no Virgin Road

Average student Mutou Mitsuki suddenly finds himself transported to another realm. Summoned by the king of this world for the remarkable power he is supposed to possess, Mutou is thrown out when it appears that he lacks a "Special Concept." Moping about, he encounters a priestess named Menou who explains that Japanese people like him are known as Lost Ones, and such individuals never fail to have Special Concepts. Menou elaborates that she is part of a church that helps abandoned Lost Ones integrate into society. She invites him to spend the night at her church, where the two can probe the nature of his ability. Eventually, they discover that Mutou's Special Concept is actually incredibly powerful and dangerous. But is Menou's true goal is to assist Lost Ones—or the opposite? [Written by MAL Rewrite, edited]The Lost Ones are wanderers who come here from a distant world known as Japan. No one knows how or why they leave their homes. The only thing that is certain is that they bring disaster and calamity. The duty of exterminating them without remorse falls to Menou, a young Executioner. When she meets Akari, it seems like just another job...until she discovers its impossible to kill this girl! And when Menou begins to search for a way to defeat this immortality, Akari is more than happy to tag along! So begins a journey that will change Menou forever...