The HetaOni/ Houseki no Kuni mix that no one asked for!
Tbh I just liked the idea of England’s magic blowing up half his face, leaving a sparkling green hole, and for some reason he thinks no one will notice.
Basically; countries are made up of three types of gem that can be found in their country, these can change in amount and are dependant on their economy and landmass. Usually they can just reattach shards and pieces immediately after with no issue due to their status as nations but in the mansion if they don’t find a way to glue the pieces back together they disintegrate- which is not good when your memories are stored in your limbs- and this can lead to death.
In England’s case he’s made of Emerald, Hematite and Amber. The Amber points of his body are the most breakable. ( Flowers in it because magic.)
So basically, HetaOni with sparkly stones instead of blood and a lot more confusion.