1girl blue_flower blue_headwear blue_rose bow bowtie brown_hair commentary_request flower frilled_skirt frills from_side hair_over_one_eye hands_on_own_chest hat hat_flower highres horei_tsuna horse_girl horse_tail horseshoe_ornament long_hair looking_at_viewer no_shoes pleated_skirt purple_bow purple_bowtie purple_eyes purple_serafuku purple_shirt rice_shower_(umamusume) rose sailor_collar sailor_shirt school_uniform serafuku shirt short_sleeves simple_background sitting skirt socks solo tail tilted_headwear tracen_school_uniform umamusume white_background white_skirt white_socks