This article says that the solo part in the opening group performance was choreographed by Yuzu himself!

And this photo of Ashura-chan by Sponichi’s Kogaito-san 😍♥️#HANYUYUZURU #羽生結弦https://t.co/b6ZFFiFvay

— 💐ゆづ茉莉花💐Marika⛸ (@marika_yuzu) April 4, 2023