uumaru, saigyouji yuyuko, touhou, commentary request, highres, 1girl, alternate costume, beach, blue sarong, breasts, frilled arm strap, hair between eyes, hair ornament, looking at viewer, medium breasts, medium hair, navel, ocean, open mouth, outdoors, pink eyes, pink hair, sand, sarong, sitting, smile, solo, stomach, swimsuit, thighs, triangular headpiece, water, wet, white nails, x hair ornament