To fulfill the wish of a client who desires to have sex with a relative, Director Takahashi steps up... The entire plot of the incest plan is captured on hidden camera! A younger brother lusts after his older sister, who has been taking good care of him even after she got married. The sister visits a producer's office with her brother, an aspiring actor, to ask for help with an audition. After the brother is criticized, the producer offers to give him private lessons at a hotel. From erotic acting practice, things naturally progress to SEX. The sister, doing her best for her brother, loses herself to pleasure and can't stop her hips from moving. Later, while rehearsing a scene to seduce her brother for an audition, she receives extreme guidance. Confused, the sister is told the truth and agrees to have sex with her brother. The sister rides on top, inserts, and moans her brother's name.
