I want to know the name of the creator. He is extremely good at making music (I think i have a danmaku script called alternate age by the same person)
The creator of The Alternative Age is danmaq, it's a group, and the music is nothing but ZUN midis played with slightly different and worse instruments. I am 99.99% sure this script is fully unrelated.
The song in the video is you -destructive- by dai, btw.
Umm, let me check my danmakufu stores... Here. Try using this player file. If memory serves, any time a boss comes on screen, it will go into Shoot the Bullet mode, have fun. I'm pretty sure this is an older version.
http://www.mediafire.com/download.php?jymnzyhtyy2