If you have any questions, reports, suggestions, or requests about Live2D, please send them to this forum.
※We cannot guarantee statements or answers from Live2D staff. Thank you for your understanding in advance.
I don't think they're available for shortcut, if at all. But you can set a shortcut to 'Hide Selected State' (H) to hide all mesh and deformer display on canvas.
Comments
I invite you to give a vote to this topic I made at least, so they'll know the demand is there
https://community.live2d.com/discussion/1249/more-assignable-keyboard-shortcuts#latest