My wife's hospitalized mother-in-law

My wife Yuki collapsed from heat stroke and was hospitalized after taking good care of her. Takashi suddenly ends up living alone until Yuki is discharged from the hospital. Yuki asks Takashi to come to his stepmother Miya. And then he met Miya for the first time in four years... Takashi remembers what happened four years ago. The mistake he made with his stepmother only once. However, as I saw Miya cleaning up, her sexy, still as she was back then, I couldn't help but feel horny...