Rule 34 Dev - 1girl black_jacket blue_hair blush brown_eyes flat_chest from_side headphones hood hood_down idolmaster idolmaster_(classic) idolmaster_million_live! idolmaster_million_live!_theater_days jacket kisaragi_chihaya long_hair long_sleeves looking_at_another looking_up musical_note parted_lips solo takatsuki_p white_background|21696344397