The game is based on the manga Half Moon ni Kawaru made by Ryo Ramiya. It contains four separate stories/games, which can also be defined as mini-games due to their short length. Each story contained is dedicated to a different heroine:* Suzuka and her boyfriend escape from ninjas; they are ambushed by amazon warriors and get separated. Suzuka finds herself in a weird mansion overrun by monsters, and must fight her way with a sword. This game is an adventure with top-down movement; the goal is to find the way through the maze-like locations. There are also pre-set turn-based battles - Suzuka can choose between various techniques to defeat the foes. There is no RPG system of any kind. The sex scenes include grotesque encounters with monsters.