Second Life of a Trash Princess - Vol. 1 Ch. 19

[MangaDex]

 

[Akule]

Again, easily could have been solved by revealing that Anita is the occultist who brainwashed the servant into attacking the king.

Also, why would you let the brainwasher be with the imperial medical staff, as well as by himself? If there were at least two people with him, she wouldn't be able to do what she is doing, but...