
Mr Red Prince seemed fine and dandy with being future engaged to princess since the one he wants to mess with is just a maid and can get to her whenever.
But since that maid is now here and not dressed like a maid, he must get her before being engaged.
In other words, consorting with the help is acceptable as long as you're royalty, unless you're consorting with a high status holder, then you will be ruined.
Go Duke, ruin his face!

Originally there were 2 people working on the webtoon (seen on title pages of ch 1-10) then only 1 person after that.
Whether or not it's the same artist (Lee Oh vs. io), I will surmise that some cuts were made to accommodate the artist. Which ultimately means that her mouth details ended up on the chopping block.
You are now looking at Ms Potato Head with the "Oh" mouth.
That kidnapper is into some weird shit, dropping unconscious people into pits; and either gets his rocks off seeing people kill each other or "eat" each other