Yuusuke was a shut-in with a dislike of other people, until the zombies appeared. Fortunately for him, for some reason they wouldn’t attack him.
As he was exploring the zombie-infested town, he came across Mitsuki and her brothers holed up in a supermarket and started living with them.
Just as they were adjusting and feeling happy with their new life, an unfortunate incident occurred that spelled the end of their time in the supermarket.
Instead, they took flight for the town hall, where they’d heard the rest of the survivors had taken refuge.
For most people, reality is a pretty firm concept. It’s a solid thing shared by everyone else, and a room painted blue will always be blue no matter which doorway you enter it through or who else is in the room with you or who walked through first, it won’t suddenly be red because you waited an hour before you went in.
And then for some people reality is a little different. Suffice to say, because you waited an hour, the room is not only no longer blue, the walls are covered in tentacles and now want to molest you. There, how’s that?
Become one of these weirdos and watch as reality bends around you, the mundane becoming strange, the strange fantastic, and the fantastic becomes lewd. Okay, that’s a lie, everything is lewd.