1girl, blue_background, blush, breasts, brown_eyes, brown_hair, cleavage, closed_mouth, collarbone, gloves, hair_ribbon, hairband, heart, idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_starlight_stage, leaning_out_of_window, long_sleeves, looking_at_viewer, medium_breasts, nagatomi_hasumi, nanonin, one_eye_closed, open_window, puffy_long_sleeves, puffy_sleeves, ribbon, short_hair, smile, solo, starry_background, window, yellow_gloves, yellow_ribbon