oniyanna, super creek (murmuring stream) (umamusume), super creek (umamusume), umamusume, commentary, english commentary, highres, 1boy, animal ears, ass, baby bottle, bare shoulders, bottle, braid, braided bangs, breasts, cleavage, fingernails, greyscale, hair between eyes, holding, holding bottle, horse ears, horse girl, horse tail, large breasts, monochrome, open mouth, sitting, sitting on person, smile, tail, teeth, thick thighs, thighs, upper teeth only