Saika married her boyfriend who she dated before they both went to college. Before, he always cared about her, always devoted everything to her. But up to now, Saika's husband seems cold, comes home late almost every night, and has not had sex for a long time. Saika's growing sexual desire drives her to masturbate every night. Her father-in-law came to live with Saika and her husband three months ago. He also discovered that Saika could not satisfy his sexual desires and had to masturbate. Unable to resist, he decided to bet this time. The father-in-law immediately rushed in while Saika was still groping her pussy, forcefully taking over the beautiful daughter-in-law. Although she felt very guilty, when her father-in-law fucked her, not only did she satisfy her long-accumulated sexual desire, but Saika also knew the sublime feeling of reaching climax that her husband had never been able to give her. "Husband, I'm sorry, but it's all your fault"...