The next installment in the Slave Oath Contract series is "Slave," starring voice actress Yuu Kawakami. The story follows the protagonist as she undergoes a psychological transformation, each blow she receives erasing her feelings of remorse a little more. Gradually, she begins to yearn for treatment not as a human being, but as livestock—degraded and used. This evolution of her psyche, along with the pain she endures in daily life, is portrayed with sensitivity and care. Throughout this process, she reevaluates her very sense of existence. The depiction is delicate, with her emotional shifts rendered in meticulous detail.