subaru (subachoco), komeiji satori, hakurei frontier spell strive, touhou, commentary request, game cg, highres, official art, third-party source, 1girl, alternate costume, beach, blue one-piece swimsuit, blue sky, cloud, day, eyeball, full body, hair ornament, heart, heart hair ornament, heart of string, looking at viewer, ocean, one-piece swimsuit, open mouth, pink eyes, pink hair, sandals, short hair, sky, solo, swimsuit, third eye, toes, transparent background