k-on!, hirasawa yui, baanin, 4:3 aspect ratio, censored, bent over, breasts, brown eyes, brown hair, bukkake, buttjob, deepthroat, dripping semen, ejaculation, fellatio, gangbang, group sex, hand on head, nipples, oral, pantyhose, penis, semen, semen in mouth, semen on arms, semen on ass, semen on back, semen on body, semen on breasts, semen on hair, semen on lower body, sex, short hair, topless, potential duplicate