cancel k's f,d,df+A, hold uf+C,f+D. That should make it alot easier, also only in HD mode but not sure.
Also found a nice k guard break combo, enter HD mode and do qcb+B, qcb+B, f,d,df+A, qcb+B, qcb+B, f,d,df+A, qcb+B, qcb+B, f,d,df+A, when they low on guard meter just end it with qcf+A, f+D etc