Mimibukuro-san is self conscious of herself, and can't really talk to anyone. It's up to Makoto-kun to help her out and make friends with each other. However, that's not the end of it. There is someone trying to disrupt the two. Will they succeed, or will they join in...

In order to save The Paradise Island Zoo that has lost all but the female animals, the Director has made it so when night falls, all the animals turn into cute girls! It's up to Taneda to mate with all of them and save the zoo!