suzuo (zuo), akiyama mio, tainaka ritsu, k-on!, commentary request, highres, 2girls, bathroom, breasts, cunnilingus, faucet, greyscale, hairband, hand on another's head, indoors, long hair, looking at another, medium breasts, mirror, monochrome, multiple girls, nipples, open clothes, open shirt, oral, pussy juice, school uniform, short hair, sink, standing, standing cunnilingus, sweat, sweater vest, tongue, tongue out, yuri