In 2020, the world is forced into lockdown by the COVID pandemic. As remote work is popularized in order to keep the infection rate under control, a young man employed by a company in Tokyo moves to a country town on the Sanriku Coast in Miyagi Prefecture, where he could enjoy fishing, in search of a new lifestyle. But gradually, we found that there were problems such as "empty houses" in the local area.

It’s easy to promise ‘for better or worse’ in a wedding vow, but how many marriages can truly weather every storm? Sachi decides to study for the bar exam with her boyfriend Tamotsu as an act of solidarity. However, Sachi ends up becoming a lawyer, while Tamotsu, who fails the exam repeatedly, is relegated to stay-at-home dad.

Hiiro Miyata is 19 and works hard to be able to afford both her college and paying rent to her financially irresponsible mother. Physical intimacy makes her sick, and her only vice is huffing air fresheners when she's anxious. While working in a convenience store, she ends up befriending Miyabi Enaga, an aloof girl shunned because his father once killed a person. Based on a novel by Ayano Takeda, the author of Sound! Euphonium.