Board Thread:Questions and Answers/@comment-39492511-20190604012428/@comment-1327106-20190604025242

It's possible, but I don't think it's likely. Other anime have updated opening sequences for a handful of episodes mid-season, but it's not common. Getting a new opening together would mean someone has to animate and direct it, and Studio Wit is pretty infamous about running their productions down to the wire. I just don't think they'd have the bandwidth to do something like that.