akiyama mio, hirasawa yui, kotobuki tsumugi, tainaka ritsu, k-on!, absurdres, detexted, highres, third-party edit, 4girls, bikini, black eyes, black hair, blonde hair, blue eyes, blush, breasts, brown eyes, brown hair, cleavage, drink, female focus, flip-flops, flower, goggles, goggles on head, hair flower, hair ornament, ho-kago tea time, innertube, long hair, multiple girls, one eye closed, ponytail, sandals, short hair, side ponytail, simple background, smile, swim ring, swimsuit, v, wink