There's a collaboration event going on between the "Toaru Imaginary Fest" game and the "Magic High School" universe. https://x.com/index_if_PR/status/1823646241764605960 It looks like Miyuki is dressed like Misaki, but she uses mostly ice attacks.
I'm guessing the monster that they're fighting is this universe's equivalent to Zelganoid, the corrupted man-made Ultraman from the 3-part finale of Ultraman Dyna?
I'm surprised the author didn't put Transformers in here.
It's originally a US/JP crossproduction based on licensed Japanese toys, so it'd be a little out of place with these series that were fully American made (unless they were to use something like the live action movies for a piece like this).
Fun fact: The human liver can regrow if anywhere up to 90% of it has been removed. The reason we can still die of liver diseases is because it can be damaged beyond its capability to repair itself.
