sakuraba yuuki, alice margatroid, kirisame marisa, touhou, 2girls, alternate hairstyle, back, bare back, bare shoulders, bed, bed sheet, blanket, blonde hair, blue eyes, book, covering privates, faceless, faceless female, female focus, flat chest, flower, flower jar, from behind, girl on top, holding another's wrist, lying, moaning, multiple girls, naughty face, nude, nude cover, on stomach, open book, open mouth, panties, pillow, short hair, smile, smirk, string, string of fate, topless female, under covers, underwear, window, yuri