[Watermarks] Aoi Sekai no Chuushin de (World War Blue)

I changed all the watermarks on the Aoi Sekai no Chuushin compilations. This update is part of an overall rework of my older videos, where I'm replacing the watermarks with something more subtle.
I'll keep you informed whenever I make a change.

https://shontai.com/aoi-sekai-no-chuushin-de/