Two years into their marriage… Keita couldn't hide his joy when his wife, Atsuko, became pregnant. However, starting tomorrow, Atsuko would be hospitalized for observation, which made him slightly anxious. Noticing Keita's anxiety, Atsuko's mother, Keiko, decided to come to Keita's house to help with daily chores. Seeing Keiko doing household tasks after so long, despite knowing it was wrong, Keita couldn't help but have lewd thoughts. Thus, during this 'commuter mother-in-law life' over several days, the distance between the two gradually closed…
