1girl, arms_behind_head, blonde_hair, bra_visible_through_clothes, idolmaster, idolmaster_million_live!, jacket, jewelry, looking_at_viewer, medium_hair, midriff, momose_rio, mouth_hold, navel, necklace, neko_(ganecooo), open_clothes, open_jacket, red_eyes, red_jacket, shirt, sidelocks, simple_background, solo, upper_body, white_background, white_shirt