1girl, 30_minutes_sisters, animal_on_hand, bikini, blush, breasts, brown_eyes, brown_hair, cleavage, collarbone, crab, greyscale, hair_behind_ear, head_tilt, looking_at_viewer, luluce_(30ms), medium_breasts, monochrome, navel, ponytail, seiza, sitting, smile, solo, stomach, strapless, strapless_bikini, swimsuit, water, wet, white_background, white_bikini, yoshi_(crossmind)