Themm - Harukanaru Meikyuu

In ancient times, humans worshipped gods, but as ages passed, faith waned. The gods grew wrathful, plunging the world into chaos. Demons, resembling beautiful girls, appeared and drove people mad. Five kings sent valiant heroes to find a magical stone that alone could restore peace. Lucido is one such hero. Aided by a simple village girl, he bravely descends into a dungeon teeming with seductive monsters—but he must beware of rivals lurking in the shadows…