1girl, areola_slip, bath, bathing, bathtub, blush, breasts, closed_eyes, completely_nude, double_bun, hair_bun, highres, idolmaster, idolmaster_shiny_colors, indoors, knees_up, large_breasts, nude, revision, sincos, sitting, soap_bubbles, solo, sonoda_chiyoko, steam, tile_wall, tiles, twintails