seiun sky (umamusume) drawn by zukki_(bijitaru)

1girl animal_ears blue_eyes breasts brown_choker choker clenched_hand closed_mouth collarbone ear_covers flower green_sailor_collar grey_hair hair_between_eyes hair_flower hair_ornament hairclip highres horse_ears horse_girl long_sleeves looking_at_viewer sailor_collar seiun_sky_(reeling_in_the_big_one)(umamusume) seiun_sky(umamusume) shirt short_hair simple_background single_ear_cover small_breasts smile solo sunflower sunflower_hair_ornament umamusume zukki_(bijitaru)