Kotori Haneda is a university student interning at a publishing house. While doing her internship, she is partnered with another intern named Eba Shimazaki; the two start a relationship, but her happiness is not to last.
Boyatetsu travels to the year 2020 in Tokyo from the year 1945. Tokyo is now plagued by a decreasing population and an increase in unemployment.
A grifter and her loose-cannon brother get their hands on a massive amount of money, but their ill-gotten gains puts a huge target on their back.