kiritto, kasumi (blue archive), kasumi (swimsuit) (blue archive), blue archive, absurdres, highres, 1girl, ahoge, bikini, black bikini, black hair, curved horns, demon horns, eyewear on head, fang, flat chest, hair intakes, halo, horns, huge ahoge, lab coat, long hair, mismatched bikini, navel, open mouth, red halo, sandals, skin fang, sleeves past fingers, sleeves past wrists, solo, striped bikini, striped clothes, sunglasses, swimsuit, tail, twintails, white-framed eyewear, white background