Marinette can't stop thinking about what happened when Chat Noir becomes Chat Blanc. Worried about reapeating the future she takes the dangerous path to to prevent it. Her self sacrifice and heroism however will lead to a darker path and only Chat Noir can save her. Also check Start over Before the Miraculous 🌠 who is he kissing,💋 Miraculous Curses of the Mermaid Treasure🐬, Miraculous curses of the Mermaid Treasure 2🐳 Saving Chat Noir🐞 Saving Ladybug Sinful Nap

In this alternate universe, Marinette is Catty Noir, Adrien is Ladybug, Rena Rouge has her miraculous full time, and Nino is BEE DUDE. I guess you can also use the comb for chest hair XD. THEN, when jewelery is banned from College Fracíous Dupoint, they accidently drop their boxes!! and they accidentally get mixed up