[Kazu-kun]

Originally Posted by Arkeus

Spoiler:

At that time, the timer is a bit less than 5 seconds. And, yes, it is after Pitou began healing Komugi

Spoiler for manga:

I'll take that as some minor inconstancy in manga.

At least one or two minutes must have passed between the moment Pitou got to the window of the room and the moment he started healing Komugi.