mono (mo n mno), rumi (blue archive), rumi (swimsuit) (blue archive), blue archive, absurdres, commentary request, highres, 1girl, :d, animal ears, arm up, bare shoulders, bikini, blush, breasts, brown hair, crossed bangs, eyewear on head, from side, hair between eyes, halo, huge breasts, long hair, looking at viewer, looking to the side, official alternate costume, open mouth, purple eyes, red-tinted eyewear, red bikini, red halo, side-tie bikini bottom, sideboob, simple background, smile, solo, sunglasses, sweat, swimsuit, tinted eyewear, white background