Hana and Marina are close sisters with huge K-cup breasts. After Marina comes to Hana for advice on her sexual problems, Hana begins her first lesbian sex education. After they rub each other's breasts and masturbate together to a double orgasm, Hana puts on a strap-on to show her how to tease a man, and carefully teaches her how to give a blowjob and a boob job... Marina's technique transmits pleasure through the fake penis, making him moan in a sweet voice. Marina has become quite skilled at sex, and makes her sister feel good with 69 cunnilingus, and at the end they embrace each other and rub their pussies together, both reaching a simultaneous climax of pleasure!