The Shuffle: wimp - BACK-ON ft. Li'l Fang (from FAKY)
Gundam Build Fighters is probably one of my favorite anime to come out of the last few seasons, and while the first OP was pretty incredible, this one is shockingly an improvement. (Though to be fair both have the energy and hype-building power that a show like this needs for it's opening.)
I've been a BACK-ON fan since Chain, but they've always been missing something that I couldn't quite figure out until this song: they needed a better vocalist. I don't know who or where they found this new girl, but...yeah. They should keep her.