Adult PC Game: MangaGamer - Tokyo Babel v1.0 Archive

Overview:
The gates of Heaven are closed shut; the realm of Hell consumed by flood.
And in their wake, countless parallel worlds wither away, one after another.
The surviving angels and demons gather at the city they believe to be their final chance at salvation:
the floating purgatory of "Tokyo Babel".

MangaGamer - Tokyo Babel v1.0 Gameplay Preview