Keiichi has been an only child until his father remarries. All of a sudden, he ends up with 3 stepsisters. Time passes on and Keiichi reaches adolescence. He begins to learn about sexual passion from his stepsisters. We find him spending his days and nights in passionate lovemaking with his 2 sisters, Mikage and Hitoyo. What's more, his stepmother, Mina is added to the list. Keiichi's sister Luli cannot put up with this. She tries to put a stop to this nonsensec This is the first game produced by WINTERS. Concepts from "Kenkyu no Giri Mono" were used in producing it. You will find many exciting situations that will stretch the limits of Beautiful Young Girl Games. These deep-throated kissing scenes are so hot that even the most steadfast will get excited. We are certain that you will be more than satisfied with the full-voice animation of these girl characters!