She'll let him in

"Okay," Edelgard nodded. "I trust you."

"Very good," said Henry. "Remember, I'm your friend. I'm not forcing you to do anything you won't like. Friends don't do that to friends."

"Right..." Edelgard nodded.

She did seem more relaxed, even more than when she was usually walking around the academy. Henry had her where he wanted her. And while he could go right for playtime, he did want to actually help some of the students. It was what he was here for, after all.

So he decided to start with that first and foremost.