k-on!  akiyama mio kotobuki tsumugi  2girls animal ears aqua background bangs bare shoulders bikini bikini under clothes black hair black legwear blonde hair blue eyes blunt bangs blush breasts bunny ears bunnysuit cleavage collar covered navel curvy eyebrows visible through hair fake animal ears full body hat jacket keigi kneeling large breasts long hair long sleeves looking at viewer mini hat mini top hat multiple girls one eye closed open mouth pantyhose parted lips plump sidelocks smile swimsuit thick eyebrows thick thighs thighs tongue top hat two-tone background upper teeth v wand white background wink wrist cuffs yellow bikini