2boys, 2girls, aged down, aqua hair, bangs, black cape, cape, closed mouth, demon horns, demon wings, dress, fox tail, full body, green eyes, green hair, hair between eyes, halloween costume, hiding, high collar, horns, kamishiro rui, kusanagi nene, long hair, long sleeves, multicolored hair, multiple boys, multiple girls, ootori emu, open mouth, pink eyes, pink hair, project sekai, pumpkin hat, purple hair, red ribbon, ribbon, sekai yoni, short hair, socks, streaked hair, tail, tenma tsukasa, white background, white socks, wings, wonderlands x showtime (project sekai), yellow eyes, yellow ribbon