Seeing Okayu collab with Lui and Wamy on new covers plus the fact that it was Okayu who initiated this one could be a sign that there's more Okayu collab song covers on the way this year. She also had that one with Aqua in March
https://www.youtube.com/watch?v=AUP3OI9YhmcI hope that does some with holos she hasn't sung with yet. Originals would be cool too.
