ruu (tksymkw), ellen (touhou), touhou, touhou (pc-98), commentary request, highres, 1girl, armpits, arms behind head, arms up, bikini, blonde hair, blush, breasts, cleavage, closed mouth, cowboy shot, green bikini, groin, hair between eyes, hairband, long hair, looking at viewer, medium breasts, multicolored bikini, navel, red bikini, red hairband, smile, solo, standing, swimsuit, white bikini, yellow bikini