They can no longer be satisfied by their usual fingers or toys, so they begin inserting various foreign objects into their vaginas one after another. Masturbating with everyday items they're not accustomed to, such as plastic bottles, soy sauce containers, and lighters, they experience new sensations through the unfamiliar textures and firmness. Then, their genitals are sucked on with straws, causing juices to gush out through the tube. A strange and erotic scene unfolds.