At Tokyo's famous cabaret club, "Red Dragon," a shocking full-collaboration AV shoot takes place, featuring top AV actresses and familiar faces from the industry! Akari Niimura, the G-cup older sister and AV actress known for her nympho style, returns after a long absence. Initially nervous about her comeback, she gets tipsy and rushes to the restroom. She can't resist the urge to masturbate after finding herself attracted to a customer's cock. Though she tries to stifle her moans, a tiny squeak escapes, catching the attention of a passing cleaning staff member. Instead of being reprimanded, Akari seduces the staff member with her alluring charm, teasing his cock and swallowing his copious load. Later, during interactions with customers, she engages in intimate, touch-heavy conversations. To avoid detection, she discreetly leads a customer to a VIP room, continuing her forbidden service...