◆StoryAt the bottom of an old ruin, a girl who has lost her memory [Mion] wakes up.Guide Mion with two fireflies that light up the darkness, solve the traps and mysteries of the ruins, avoid scary monsters and traps, and aim to escape from the ruins.◆ System[Firefly] that guides Mion and illuminates the world of light.[Kage Firefly] illuminates the world of shadows and destroys obstacles and devices.Use the power of two fireflies to switch between light and shadow worlds and lead Mion out of the ruins.In the ruins, there are traps that harvest Mions life, puzzle-like tricks, and mysterious monsters.◆Supported OS, recommended terminalAndroid 8.0 or higherAndroid device with 2GB or more RAMIn order for our customers to play comfortably, we recommend playing on the above devices.◆ If you subscribe to the "Game Variety Unlimited" subscription, you can use the target application including this application.* You can use it even if you subscribe from another target application.◆ Lets search for classic apps with "Game Variety Unlimited"The "Game Variety Unlimited" brand developed by Nippon Ichi Software offers standard board games and table games.