[ Despite what he’d just said earlier, he can’t help but smile at that. Nero and Pyra might be far too goodhearted to really be mad at him despite everything, but at least Wei Wuxian knows how to take responsibility where it counts. ]

The old-fashioned way would be through a letter, perhaps with a gift humbly expressing your profound contrition.

[ The more modern methods are a little out of their depth at the moment… ]

Regardless, you are a clever man. No doubt they would be thrilled with anything you might come up with.