淫夢学園 「だめ... こんなになっちゃうのは夢の中だけなの...!」淫夢に囚われた美人姉妹

Shinji is a high school student. He loves Mayuri, his classmate. One day, a teacher, Ryoko, gives him a pendant. It seems people can have a good dream if they sleep with it. The next night, he goes to bed, holding the pendant. However, nothing is changed...