"After Itsuki and Tsugumi spend a night together in a car at the evacuation site, both Koreda and Nagasawa rush from Tokyo to their sides. Itsuki seeks refuge with Nagasawa, and while the former couple [is] separated again, Koreda's concerns only continue to grow after hearing about their night in the car. And when things seem like they couldn't get any more complicated, another figure from Itsuki's past arrives"--Back cover.

First published in Japan in 2018 by Kodansha Ltd., Tokyo. Reads from right to left.