The jacket covers for's 4th single, "", have been revealed!"Seifuku no Mannequin" will come in 5 different versions: Type A, Type B, Type C, Regular Edition, and an Anime Edition. The jacket covers for Types A-C and Regular Edition each features 2 members of the "". Meanwhile, the Anime Edition jacket cover features the main characters of anime, ''.You can check them out below.===Source & Photos: natalie