Una is the seconed daugher of Ursula her and Uma don't get along so she friend's with Mal Evie Jay and Carlos Una isn't half octopus she half Mermaid

It's a normal day at school for Marinette and Adrien. Chloe, teachers and friends. But a Friday changes everything for everyone. Could one small piece of paper lead to suspicions? Or in fact reality? This piece of paper is dangerously too revealing to let anyone know. To let even your best friend know. But why would you write it on a piece of paper?