本作以一座下雪的小镇为舞台，运用了中世纪怀旧风格，营造出一种具备幻想性和童话色彩的气氛。玩家可通过调查系统获得点数，欣赏角色之间的交流。同时，使用点数还能游玩短篇故事。解放的故事内容将影响到主线剧情的发展，也是本作系统的一大特色。

为本作的角色献声的声优包括田村睦心、平川大辅、日野聪、斋藤壮马、大原沙耶加、古川慎、森川智之、山冈百合、鸟海浩辅、石川界人、浪川大辅等。组成了一套每位声优的演技都不容置疑的豪华阵容。同时搭载全语音，使玩家能更加尽情地享受游戏乐趣。 Sequel of Psychedelica of the Black Butterfly.

In a town controlled by two families, the Farshi (Falcon) and the Wolg (Wolf), a dreadful creature known as the witch, whose appearance is known to be a woman with red eyes, is said to cause misfortunes. Our heroine Eiar lives in the same town, but because her right eyes turn red whenever she’s feeling strong emotions, she has to live her life pretending to be a boy named Jed, lest the people persecute her as a witch. Despite the frequent con