Even Ina had Luise cling to her like that while sleeping when she came to stay at Luise’s home. It looks like she didn’t manage to slip away at all either.
“It isn’t due to strength. You can never slip away since she is pinning down the body’s fulcrum. Sleep until Luise gets up.” (Ina)
“It can’t be helped. Going back to sleep is a luxury as well.” (Wendelin)
And then I get stuck sleeping for a few hours while Luise still clings to me. In the end it resulted in me being the last one to wake up amongst the party members.