"Okusama wa Moto Yariman" is an adult anime series that delves into the complexities of a married couple's intimate life. The story centers on Saki, a woman with a promiscuous past, and her husband, who is unaware of her previous lifestyle. In Episode 1, the narrative unfolds as Saki's former acquaintances reappear, challenging the couple's relationship and testing their trust. The episode explores themes of fidelity, desire, and the impact of one's past on present relationships. The animation emphasizes the characters' emotions and the tension between them, providing a provocative look into the dynamics of marriage and personal history.