Rima, a childhood friend with a tomboyish personality, unexpectedly asks him to be her sex practice partner! With just one condom in hand, they begin practicing sex with awkward movements. It was supposed to be just one time, but Rima awakens to the pleasure of sex and becomes an insatiable stamina! He can't get enough and ejaculates 10 times without a break. He never knew blowjobs, cunnilingus, and creampies could feel so good... for three days while his parents are away. The two childhood friends lose their inhibitions and become addicted to condomless sex.