Just cuz
Part 1: http://www.youtube.com/watch?v=XS__utoa20Y
Part 2: http://www.youtube.com/watch?v=cLjhjiilIh0
Part 3.1: http://www.youtube.com/watch?v=DU6Hh2RS9Xk
Part 3.2: http://www.youtube.com/watch?v=LkYKmvR7IN4
2 is the best one.
And I'm sure this would be a lot better for me if I knew who these characters were.
Touhou has huge cast, I played pretty much every game in the series and I don't know a half of the characters.