Muma is a sexy naughty girl who was brought into existence by a young boy, Tatsuya. Muma, Kurumi, and Naoto, Tatsuya's older brother, have a complicated love affair. Before long, "Dreamer" is a unique work of romantic comedy + evil god legend series, in which demons plotting to thin out humans appear. At the end of the book, the school joke manga "Hero Yaro" and the e-book version of the postscript are included.