A shock awaits Yuito and company when they confront Karen in the mausoleum. Can they convince him to help? Yuito and Kasane deal with their regrets over what happened to Nagi and Naomi, and they must take drastic measures in an attempt to save the world.
If at that fateful moment,
Si jamais ce jour-là,
au moment fatidique,
Se naquele momento fatídico
Что, если... Если бы
в тот день, в тот миг...