Kyoukai no Kanata Episode 9 Biggest Revelation yet.

“Due to changes in the target of these observations, such phenomenon have [sic] a tendency to disappear and reappear frequently. As such, I believe that the youmu inside of the half-youmu, Akihito Kanbara, is the one known as “Beyond the Boundary.” That is a safe assumption to make.

I will continue to observe him. I guarantee the data I have accumulated oh him can be used for practical purposes.”