This is a twisted cohabitation (?!) Story triggered by a weird dream, but the neighbors living next door seem to have some secrets that are not even "little" -
The noisy young couple, the pregnant platinum beauty, the tough and tender (=w=) potions professor-to-be, the elusive old man from the husband-and-wife team...
Oh, by the way, there is also a red-eyed demon king who is always cosplaying with Sensui Ninja.
The God of Time Travel! What kind of strange dream has your loyal little believer been led into? !