saiya, akiyama mio, hirasawa yui, kotobuki tsumugi, nakano azusa, tainaka ritsu, k-on!, frilled swimsuit, 00s, 5girls, ass, bikini, black hair, blonde hair, blush, breast press, breasts, brown eyes, brown hair, butt crack, closed eyes, flat chest, floral print, floral print bikini, frills, group hug, hair ornament, hairband, hairclip, ho-kago tea time, hug, large breasts, long hair, lowleg, lowleg bikini, multiple girls, navel, one-piece swimsuit, one eye closed, open mouth, polka dot, polka dot bikini, polka dot swimsuit, print bikini, short hair, smile, splashing, striped bikini, striped clothes, swimsuit, thigh gap, thighs, water, wink