No. 6
The story unfolds in "No. 6", the future model city in 2013. Educated as a high-ranking elite from 2 years old, a boy named Shion lives in an exclusive area in no. 6. In his night on his 12th birthday, he saves a boy who calls himself "nezumi" ("rat"). I didn't run out of the special security zone of the city. From now on, the life of the coach is changing forever ...