<report>Three perfect little sisters in three visual novels in a row. This is one of them.

Your somewhat typical naked girl ends up in the protagonist's room it's Reberia Maria the princess from another world. She hypnotizes Souma's sister Igarashi Yuna and childhood friend Asou Mio to make them think she's a foreign exchange student on home stay. After she gets settled and into school and everything is looking good she tells Souma and later all the girls which surround him that if he doesn't get a girl pregnant in 2 weeks he'll disappear. It's a lot like Imouto Haramasex and Ane Hara Mix ~Ane & Shinigami Onee-san to Isshuukan~

So once Maria let's all the girls realize what's going on they all... Read more »