I'm an exclusive KB/M player. I find that analog sticks are horribly inadequate for aiming, which is why a lot of games, even shooters like CoD Black Ops III, still have auto target for them.
The only caveat is Japanese developers are very console (cough, SONY) centric, so even if you do get good actual KB/M performance, there are still little quirks, like inadequate control explanation in the controls menu, mapping diagrams that only serve gamepad users, and even gamepad prompts showing onscreen instead of KB/M ones. Worst though is the stuck moving bug.
I actually had to source a guide online for control usage, and found a good one on Ground Zeroes that mostly works, except they changed CQC commands from arrow keys to number keys.
The game works very well on KB/M, but every now and then you can get stuck moving one direction continually until you mash W+S or A+D. How they missed that, the gamepad prompts, and lack of proper KB/M controls explanations in the testing, considering how detailed a game it is, shows they don't care much about KB/M.