Curvy Rina Kawamura relaxes with her boyfriend and his best friend, then starts teasing the friend as soon as her boyfriend steps into the shower. What he does not know is that the man is actually her ex. Excited by the familiar body, Rina eagerly sucks his cock until he fills her mouth with cum. Their old flame reignites, and the pair continue their forbidden affair, intoxicated by the betrayal and the thrill of getting caught.