It looks OK Kiba, definitely a challenging corner to crown for a first timer.
Agreed, I couldn't have done better, that's a bad spot to work with. My old house, not a straight or plum wall in it, you have to deal with stuff like that the best you can and call it good. Besides, it's up and in a corner where no one will ever notice it, no one will ever give it a second glance.

, and 3 joins each cut at a 45 with super thin caulk. Knock on wood, nothing has separated in over 10 years