1girl barefoot bent_over bracelet braid breasts cleavage closed_mouth collarbone dot_nose glaring greyscale hair_between_eyes highres holding holding_shoes idolmaster idolmaster_million_live! idolmaster_million_live!_theater_days jewelry kousaka_umi long_hair looking_at_viewer matcha_kingyo monochrome parted_bangs serious shirt shoes short_sleeves shorts sidelocks simple_background solo standing standing_on_one_leg twin_braids unworn_shoes v-shaped_eyebrows