1girl, 2k-tan, bare_arms, bare_shoulders, blue_eyes, blue_hair, blue_leotard, bottle, breasts, closed_mouth, collarbone, covered_collarbone, covered_navel, cowboy_shot, eyelashes, fingernails, groin, headgear, highleg, highleg_leotard, holding, holding_bottle, large_breasts, legs_apart, leotard, light_blue_hair, looking_at_viewer, os-tan, over-rim_eyewear, red-framed_eyewear, ruriwo_(ruriwo1894), semi-rimless_eyewear, short_hair, simple_background, smile, solo, split_mouth, standing, thighs, turtleneck_leotard, two-tone_leotard, water_bottle, white_background, white_leotard