[He seems briefly taken aback by that question, because when he thinks about it, he hadn't felt anything too noticeable at the time. Either Sousuke really was comfortable or-- No. It doesn't make sense. He knows Sousuke. He doesn't need more explanation than that.]

Better than anyone.

[he repeats it slower, lower, because he means it. What's done is done. He knows that. What he didn't feel and what Sousuke did can't be changed. But...]

You forced him to take a new name, and by extension everything he did for you he did because you forced him. He wouldn't have done it if he had any other option.

[Fist clenching at his side,]

You won't touch him again.

[He won't give him an option either.]