Erika, a stage mom who works hard because she wants her son to play an active role. Because she has a nice body with H cup plump big breasts, she is targeted by industry producers and lewd unscrupulous staff. She finds out that Hiraoka and her son, who are already successful, are favored for their sexual entertainment, and she feels shock and impatience. Despite her initial reluctance, she accepts sexual favors to help her beloved son succeed. She has sex with the director of the drama in a way that is half deceived, but gradually feels her frustrated body. She calls it the final audition, gangbangs in front of her beloved son, and accepts her son's virginity.
