1girl, ass, blush, casual_one-piece_swimsuit, covered_navel, cowboy_shot, frilled_one-piece_swimsuit, frilled_swimsuit, frills, from_behind, grey_hair, long_hair, looking_at_viewer, looking_back, mearylis_(yamanasi_mikage), multiple_views, off-shoulder_one-piece_swimsuit, off_shoulder, one-piece_swimsuit, original, pale_skin, ponytail, red_eyes, shiny_skin, standing, swimsuit, thigh_gap, yamanasi_mikage