Atlantis Castle

 (アトランティス城) was an RPG-themed idol unit formed in 2015 and disbanded on April 30, 2017.

Former Members

 * Irene (アイリーン; ) Assassin, graduated on January 2016

Team Sky

 * Ameme (あめめ; ) Mechanic, graduated on February 2016
 * Seira (セイラ; ) Bard, graduated on August 2016
 * Mia (ミーア; ) Fighter, graduated on August 2016
 * Saaya (サーヤ; ) Beast Tamer → Thief
 * Yukichii (ゆきちぃ; ) White Witch, graduated on December 2016

Team Dungeon

 * Sakumi (さくみぃ; ) Dancer and Healer
 * Moyu Moyu (もゆもゆ; ) Gambler, graduated on August 2016
 * Taiga (たいが; ) Alchemist → Knight
 * Sally (サリー; ) Summoner → Black Witch

Discography

 * 1) [2015.08.05] Sorrowful Antithese ~Unreal & Shadowly~ (哀しきアンチテーゼ～Unreal & Shadowly～)