Scuba diving instructor Igarashi Nana and Daiki are a married couple who live in a ‘corporative house,’ which is a special type of residential complex. There are various types of couples with a variety of background, living in the same complex as them. Nana and Daiki who loves kids have been trying to conceive a child for over a year without much success. Due to this surprising long wait, they decide to attend a clinic to check the situation out, until eventually getting the news that they hoped would not get. (Source: Fuji TV)