Ok, that is freaking cool and adorable.

Cosplay props have come a long way from the old days of paper mache and styrofoam.

Cool as this is, lore wise Satori's eye shouldn't be able to follow Koishi's movements because of her power.

NegativeSoul said in comment #2433818:

Cool as this is, lore wise Satori's eye shouldn't be able to follow Koishi's movements because of her power.

Yeah you know, I think programming facial recognition software to exclude a single person it a bit over excessive

Also it's cute so