kakumayu, rumi (blue archive), rumi (swimsuit) (blue archive), blue archive, absurdres, commentary request, highres, 1girl, animal ear fluff, animal ears, bare shoulders, bent over, bikini, blush, bracelet, breasts, brown hair, cleavage, covered erect nipples, criss-cross halter, crossed bangs, fox ears, hair between eyes, halo, halterneck, hanging breasts, huge breasts, jewelry, leaning forward, long hair, looking at viewer, open mouth, purple eyes, red-tinted eyewear, red bikini, simple background, smile, solo, sunglasses, swimsuit, thighs, tinted eyewear, very long hair, wet, white background