1girl armpits bangs bare_shoulders bikini blush breasts chair comiket commentary eyelashes gokubuto_mayuge greyscale hat idolmaster idolmaster_cinderella_girls leaning_on_table looking_at_viewer medium_breasts midriff monochrome nitta_minami profile sailor_hat sideboob simple_background sitting smile steam sweat swimsuit upper_body wet white_background wrist_cuffs