The main character of the hentai Tatsui Tagami-kun recently discovered the beauty of adult video. He was so inspired that he decided to conquer the whole world, to every woman in the world was it should only want. But the world is too big and you need to start with something small - in the first place to start with your class. So Tatsuhi-kun step by step turns their classmates and friends in your own personal harem...