Filming a drama work that was Sara Uruki's dream! Producing an AV starring Sara Uruki as the actress "Sara Uruki" for a new challenge!! Sara spends her lovey-dovey school life studying hard with her beloved boyfriend Atsu-kun. One day, Atsu-kun finds Sara's best friend Waka crying after being dumped by her boyfriend... Atsu-kun comforts her, but Waka playfully gives him a blowjob, and it leads to a cuckolding sex session... After the sex, Sara appears there by chance!! Sara is shocked speechless by the sight of Atsu-kun and her best friend Waka. She shakes off Atsu-kun's excuses and leaves. What will happen to the relationship between Sara, Atsu-kun, and Waka!? Serious acting and the most all-out erotic sex that could become Sara Uruki's representative work!!