1girl, ahoge, blonde_hair, blush, closed_mouth, from_behind, grey_background, hiroki_(yyqw7151), jacket, long_hair, looking_at_viewer, onii-chan_wa_oshimai!, oyama_mahiro, ponytail, red_eyes, red_jacket, red_shorts, shorts, simple_background, socks, solo, track_jacket, white_socks