A 2.5 dimension cosplay dance group whose performance is set at a prim and proper boarding coed school entitled "Cronos Academy". The group consists of 5 members: 4 Cronos Academy high school students and 1 stuffed animal teacher.
由緒正しき全寮制の共学高校「私立九瓏ノ主(クロノス)学園」を舞台に活動する2.5次元コスプレダンスグループ。クロノス学園の高校1~3年生と、化学教諭、ぬいぐるみ1匹の"5人と1匹"で構成。