1boy 1girl bangs black_cardigan black_footwear blazer blue_pants blush box brown_eyes brown_footwear brown_hair brown_jacket collared_shirt full_body gift gift_box green_neckwear green_skirt grey_legwear grey_sweater hair_between_eyes hand_up hands_up heart-shaped_box highres holding holding_gift jacket loafers long_hair long_sleeves looking_at_viewer necktie open_blazer open_clothes open_jacket open_mouth original pants pleated_skirt sailor_collar school_uniform serafuku shirt shoes simple_background skirt sleeves_past_wrists socks standing sweater valentine white_background white_sailor_collar white_shirt yuu_(higashi_no_penguin)