Personally want Count Venus to be the ML but I don't think Eusto did anything wrong. A LI shouldn't just stand by the FL no matter what. He tried to correct her behavior and was pleading with her, delaying the coup out of hope she would come to her senses. But he had limits, which are overall pretty admirable
@izayamikaelis She was being drugged and all, from what it looked like. Real life drugs can ruin a person, imaginary ones from stories? Those can do whatever a plot demands of them. She's lucky she wasn't turned into a llama.