IN TERMS OF DYNAMICS ONLY

Do you think this sounds good as-is, or should I bring down the master at the 'climax' of the piece so the rest is louder?

OTP.mp3
EDIT:
Stream from this link: https://www.box.com/s/8854a0ba7f5483ee1b3d

I'm using this piece as part of my college portfolio to demonstrate that I can Track, Mix and Master (i.e. It won't be used commercially). They're fairly relaxed as long as I explain why I've chosen to do [x] although it will effect my overall grade if it's pish.