This page,It explains the operation method.
In version STEAM, you can choose two operations, game pad and keyboard.
The operation method at the game pad can be set from the configuration screen.
Push W Key.
Push A Key.
Push D Key
Push S Key.
Push R Key.
Push SPACE Key.
Guard with the Q Key in a stopped state.
Avoid with the Q key while moving.
Push M Key.
Push Y Key.
Push U Key to become sub Atack.
Push O Key.
Push I Key to become sub Atack.
Push 1 Key.
Push 2 Key.
Push F Key.
Push ctrl Key.