On the one hand, drunk people can't give consent, on the other hand, Warrior Belle basically has split personality disorder facilitated by alcoholism and is basically two people...
AH, WHAT THE HELL, WHAT SOBER BELLE DOESN'T KNOW WON'T HURT HER!
Because of Asian standards for Filial piety you spoiled brat, now shut up and laugh at how despite her saying that because they are in a fake relationship he doesn't have to worry about breakups or nagging only for her to have been nagging at him at work and during the "dates"
The mute knight being his executed isekai body reanimated is both more interesting and more sensible than the theory of Edelweiss herself walking around in that armor, good idea! What are your predictions for his continued attempts to return his current body to it's previous owner? It'd be funny...