1girl, animal_ear_fluff, animal_ears, arm_support, bare_arms, black_one-piece_swimsuit, blanket, blue_archive, blush, braid, breasts, casual_one-piece_swimsuit, cat_ears, collar, frilled_one-piece_swimsuit, frills, green_eyes, halo, kneeling, leash, long_hair, mari_(blue_archive), mari_(swimsuit)_(blue_archive), one-piece_swimsuit, open_mouth, orange_hair, raised_eyebrows, small_breasts, solo, swimsuit, twin_braids, unfinished, yamasan