Aceline Sancoeur

Aceline Sancoeur-Wang is one of the main protagonists of Miraculous: Tales of Multimouse, Ladybug & Cat Noir. She is a student in Miss Bustier's class at Collège Françoise Dupont in Paris, France and a budding photographer who wants to have her photography brand one day when she is older. With the Mouse Miraculous, when inhabited by Mullo, Aceline transforms into the super-heroine Multimouse, gaining the power of life to stop Hawk Moth and his akumatized villains. She one of the leader, alongside Ladybug or Marinette, of the French Miraculous superhero team.

In "Kwamibuster", Aceline and Marinette are forced to go to Master Fu after Tikki is captured by the titular villaiin. Aceline and Marinette wear multiple Miraculous but, Aceline activates her own and Marinette the Bee Miraculous.In the same episode, Aceline as Multimouse's various copies transform with the Mouse Miraculous combined with the Ladybug, Cat and Fox Miraculous to become Multibug, Multinoir and Multifox respectively.

In "Feast", after defeating the sentimonster that was controlled by Hawk Moth and Mayura, Master Fu began to train Marinette in order to pass his title to her as the New Guardian of the Miraculouses.

In “Reflekdoll”, Marinette obtains the Cat Miraculous, which when inhabited by Plagg, will be able to transform her into Multi Noire, gaining the power of destruction.

In “Ladybug and Multimouse”, after being expelled from school, she is nearly akumatized by Scarlet Moth into Princess Believer. However, her akumatization is interrupted because of Nathalie Sancoeur's illness and it is never fully completed.

In "Miracle Queen," after Miracle Queen brainwashes the temporary Miraculous holders to be her slaves, Aceline wears the Dragon Miraculous combined with the Mouse Miraculous she already owns, to become Multidrog. Since then,Aceline and Marinette becomes the new Guardian of the Miraculouses after Master Fu relinquishes his role as Guardian and passes it to them.