1girl, alternate costume, bat (animal), bat wings, bikini, black bikini, black cape, black hair, black headwear, black thighhighs, breasts, brown hair, cape, gloves, hair bun, halloween costume, hat, kantai collection, medium breasts, myoukou (kancolle), navel, red cape, side-tie bikini bottom, single hair bun, slit pupils, solo, swimsuit, thighhighs, top hat, two-sided cape, two-sided fabric, udukikosuke, vampire costume, white gloves, wings, yellow eyes