To fulfill the wish of a client who desires to have sex with a relative, Director Takahashi steps in... The entire incest plot 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 brother, aspiring to be an actor, asks his sister to help him with an audition and they visit a producer together. Concerned for her brother after he gets criticized, the sister is offered private lessons by the producer at a hotel. From erotic acting practice, things naturally progress to sex. The sister, doing her best for her brother, loses control to pleasure, her hips moving on their own. Later, while rehearsing a scene to seduce her brother for an audition, the sister receives extreme guidance. Confused, she is told the truth and agrees to have sex with her brother. The sister rides him, inserting herself and moaning his name.
