Rule 34 Dev - 1girl belt blue_eyes boots brown_hair fingerless_gloves game_cg gloves glowstick hair_ornament idol idolmaster idolmaster_million_live! idolmaster_million_live!_theater_days kousaka_umi navel official_art one_eye_closed open_mouth short_shorts shorts single_glove snowman solo stage_lights star_(symbol)|20059356096