My wife's hospitalized mother-in-law

Kenta has been married for two years now... and his wife Junko is pregnant and can't hide his joy. However, starting tomorrow, Junko was hospitalized and felt a little worried. Understanding Kenta's anxiety, Junko's mother, Keiko, decides to come to Kenta's house to take care of her surroundings. After meeting Keiko for the first time in a while, Kenta sees her doing housework, but thinks it's not right, and ends up feeling lewd. And the two gradually got closer to their "in-law's life" for several days...