miyasu risa, natsume eri, kirisame marisa, patchouli knowledge, touhou, artist collaboration, 2girls, animal ears, ass, bikini, blonde hair, book, braid, breasts, cat ears, cat girl, cat tail, female focus, from behind, innertube, long hair, looking back, multiple girls, print bikini, purple eyes, purple hair, rabbit ears, rabbit tail, side braid, sideboob, star (symbol), star print, star print bikini, swim ring, swimsuit, tail, very long hair, yellow eyes