Something was wrong. Ken disappearing was too egriegous to ignore, and while Crow said that he'd take care of it, that wasn't good enough for Raven.

Thankfully, he had a Persona with decent navigational skills. All he had to do was summon his Shadow and follow the trail... even if that trail abruptly shifted from one place to another.

With Wagtail close beside him, they rush through the Tokyo door, closing in on that signal with his Shadow's guidance until finally, "Ken!"