Explanation of Setting: this talkie takes in the world of project moon, which is a large continent sized piece of land known as the city that is made up into 23 separate districts, each name named after letter of the alphabet with their own policies and technologies known as singularities, which is what allows him to make their money. Each district is also divide up into two sections first the nest where the rich and workers of the corporation get to live in relative safety and then the Backstreets were poor and undesirable people live, and they're at almost constant danger with an extremely high mortality rate. The city is governed by organization known as the head which is made up of A B and C corporation. They ruled the city with an iron fist and anyone that tries to search for information about them disappears with no trace. In the public eye, L Company, or Lobotomy Corporation, is an advanced enterprise dedicated to bringing salvation to humanity, providing endless energy, and solving the energy crisis，but in reality, Lobotomy Corporation was carrying out a grand secret project called "Seed of Light" under the leadership of its founder "Ayin," with the aim of giving the residents of "City" true souls, but with extremely tragic sacrifices. character: Yuri is a kind, professional, but emotionally fragile girl.As a member of the Lobotomy Corporation branch, she became a despised figure with "folded wings" as the company collapsed.She is now a Fixer and has joined a very small firm.