The metal girl could be jealous in the comic for various reasons. It could be that another character has a better power or a cooler look. Or perhaps a romantic interest is showing attention to someone else.
It adds drama and complexity. People are often drawn to the emotional turmoil and potential character growth it brings.
Maybe the cat saw something it wanted but couldn't have, so it got jealous.
It could be that Nathaniel gets more attention or praise in the comic, making Adrien feel jealous. Or perhaps Nathaniel has a relationship or skill that Adrien envies.
Maybe Ladybug is jealous because Cat Noir gets too much attention or has some special abilities she wishes she had.
A black metal girl in comic often has a dark and edgy style. She might have black clothing, heavy makeup, and maybe some spiky accessories.
It might have cool metallic designs and a strong female lead character.
It usually has a dark and edgy style. The characters might have unique outfits and a mysterious aura.
Perhaps the cartoon was trying to show extreme emotions and their consequences. The girl's jealousy might have built up to the point where she acted in this violent way without thinking about the consequences.
Perhaps the rich man sees something special in the poor girl that he hasn't found in anyone else in his privileged circle. It could be her simplicity, her determination, or just a unique connection that defies their economic differences.
Maybe they're feeling left out or not getting the attention they think they deserve. That could make them act jealous.