Kanojo wa mou Shindeiru noni!
彼女はもう死んでいるのに！
MANGAfinished2014
Synopsis
A world where androids and humans co-exist, Aka Okachimachi was abandoned by his parents because he "A Helper-roid was more useful than him", he needed a job in order to live, due to some circumstances he was offered the job of being a caretaker for a large apartment building with some apparently peculiar tenants. (Source: MU)