All of what his friend has to say is a little confusing, but it's the final 'who are you' when he stares into the eyes behind his own glasses that has him at last respond with a surprised, "Huh?"

After another moment, he points to himself again, not because he thinks there's traces of something on his face this time, but because he has to be sure of what he's hearing.

"You don't... remember me?" Ouch, bro. "It's me— Akira. Kurusu, Akira."