1girl, animal ear fluff, animal ears, bangs, bare shoulders, bikini, black bikini, black hair, blue archive, blush, breasts, cat ears, collarbone, frilled bikini, frills, hair between eyes, long hair, looking at viewer, medium breasts, navel, off-shoulder bikini, off shoulder, official alternate costume, rable, red eyes, serika (blue archive), serika (swimsuit) (blue archive), solo, stomach, swimsuit, thighs, twintails, underboob, very long hair