"Future City No. 6"

The story stage is a future city No. 6 in 2013. This is a future city with no crime, no disasters, and no diseases. In this city, as long as you are outstanding or belong to the elite, you can enjoy the highest rights and have the best educational environment and life. The male protagonist Ziyuan was promoted to an elite at the age of 2. But on the night of his 12th birthday, he met a person who didn't belong to his world at all - a mouse. The mouse was wounded by a gunshot and broke into his room from the outside, but instead of being afraid, Ziyuan was attracted by certain qualities of the mouse, so Ziyuan reached out to him. However, when the mouse was found to have disappeared the next day, Shion was immediately deprived of all rights for harboring a fugitive and was demoted to the lowest level of citizens. ..

The one with white hair is Ziyuan

The other is mouse