segawa rui, mr. c.b. (umamusume), umamusume, commentary request, highres, 1girl, ahoge, animal ears, breasts, brown hair, green eyes, gym shirt, hair between eyes, hair ornament, hairclip, horse ears, horse girl, horse tail, jacket, long hair, long sleeves, looking at viewer, open mouth, pants, rain, red jacket, red track suit, shirt, smile, solo, tail, tracen training uniform, track jacket, track pants, track suit, waving, wet