riku (rikkuru), aki minoriko, aki shizuha, touhou, 2girls, bed, blonde hair, blush, body exploration, censored, clitoral stimulation, clitoris, clitoris tweak, closed eyes, clothes lift, dress, dress lift, female focus, fingering, hair ornament, hat, hymen, incest, kodomo doushi, loli, multiple girls, navel, open mouth, pussy, pussy juice, saliva, siblings, sisters, sitting, spread legs, spread pussy, sweat, tears, virgin, yuri