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 th...

The twins, Oona and Hooru, come to the house of Takeuchi Kou, a super-skilled porn star. They appear to be just normal girls but they're actually not. In fact, they are succubi who devour humans' sexual desi...