Does it really matter what he calls it when the rest is right?

[If that is what their relationship is like. But that 'king' seems to polarize people pretty strongly, so her thinking to look for him should be a good hint for how they stand to each other. It's almost a bit like with Akira-kun and Makoto-kun.

The thought has him smile as he reaches up and moves his mask to the side. This is shaping up to be something that he wants to see properly. So he'll show her the good half of his face.]

What is a heroic spirit? Are 'true names' something important to them?