bangs black_ribbon blue_eyes blue_sailor_collar blush box brown_hair covering_mouth eyebrows_visible_through_hair gift gift_box holding holding_gift idolmaster idolmaster_cinderella_girls long_sleeves looking_at_viewer neckerchief nekopuchi otokura_yuuki red_neckwear ribbon sailor_collar school_uniform serafuku shirt short_hair simple_background solo swimsuit swimsuit_under_clothes tareme translation_request two-handed upper_body valentine white_shirt yellow_background