It seems like Lailaps and Yohane's staff have a tendency to get lost in this series.... Quibbles about plot structure repetitions aside, I liked how this plotline has played out with connecting Lailaps's talking (and Yohane being the only one being able to hear her talk) with growing up (and the breaking of the "spell"). Plus, I liked how Lailaps got connected to the titular mirror and showing Yohane the magic (and sunshine) she had in her all along. It was nice having a little parallel to the Lailaps/Yohane plot event with Sakura too.
The animation when Yohane first cast her "spell" on Lailaps was nice and the music was too, think that was my favorite scene if this ep. The lyrics were probably important to the whole emotional climax and I guess I'll have to look elsewhere as to what they were...