I make a very very stupid suggestion that goes against your style then. femIchika vouches for canon Ichika at the last minute as something like a lost relative or something. At the very least they can't cut him open. At worst he's locked down in a government center.
Kinda like a stupid realization. Something like femIchika realizing Chifuyu hating her kicked puppy look, since canon Ichika is using it on her or something