One of Sho's air specials, Metsuga, has a height restriction which limits it's usage in both combos and pressure. platefork gives a tutorial on how to bypass that by kara cancelling from C or D air Kousoku Idou. Check out the video below to see how to do the kara cancel as well as the various ways it can be applied.
Hopefully it's only for Loketest reactions, otherwise that's awful. I hope more Bedman players voice their thoughts on this to ARCSys. He needs those mixups, otherwise he's like a gimped Axl Low or something.