Barbara

"Tokyo swallows and digests tens of millions of human beings, then expels them. And here is some of the excrement: her name is Barbara."

(from ebookjapan):

Yosuke Mikura, a popular and indulgent novelist, meets a shabby girl named Barbara at a train station. Ever since she's been staying at his house, MIKURA's inspiration has been brilliant and he finds himself on top of the world.

...Is she a demon or a goddess?　

A mysterious tale of an artist's glory and pain!

Official English

Link to the Live Action Film Adaptation's Trailer on YouTube

Volumes 145 and 146 of the Osamu Tezuka Complete Works