Black border around the panels in manga usually indicates a flashback.
Plus we see them attempt to call him from an unknown number, which is the call he misses in order to stop the car bomb.
At first I misread the chapter title as "The Girlfriend and Yakuza" and thought we were about to take an unexpected turn.
Yaemori is great, she's going to drag this manga to it's conclusion no matter what she has to do.