Clear all kde shortcuts on kde settings to avoid keybind conflicts
make plasma use awesome

~ >>> cat ~/.config/plasma-workspace/env/wm.sh

#!/bin/sh
export KDEWM=/home/bruno/awestart.sh

~ >>> cat ~/awestart.sh

#!/bin/sh
kwrapper5 awesome -r

dont start plasmashell automatically
put this on ~/.config/autostart/org.kde.plasmashell.desktop

Hidden=true