User blog comment:Florence100 the Sylveon/If you like Subspace Emissary on SSBB.../@comment-3495717-20130817123738

After seeing the two videos, I can confirm that something similar to this is achievable through Mugen Story Mode, from the cutscenes right down to the character unlocking.

It's a good set of programs, though not many people quite know how to use it, or just don't know about it.