​In this episode of the erotic anime series, “The Oraga Stone,” the source of power to activate cyborgs is revealed – the Oraga Stone itself. The stone can only be energized through sexual stimulation of women, resulting in intense orgasms. However, a sinister twist occurs when the M-77 Express, a powerful weapon, is stolen by a treacherous professor who has defected to the dark side. To put an end to his evil intentions, the brave protagonists must board the Sex Desire Express Zetsurinou. Will they be able to take back the stolen weapon and restore balance between good and evil? Get ready for a thrilling, sensual adventure that will leave you on the edge of your seat.​