1girl, arm_support, bare_legs, between_thighs, bikini, black_bikini, blue_archive, blue_eyes, blue_hair, blush, breasts, closed_mouth, hair_between_eyes, hayana_neru, long_hair, looking_at_viewer, medium_breasts, navel, ramune, simple_background, sitting, solo, stomach, swimsuit, thighs, twintails, wet, white_background, yuuka_(blue_archive)