Miraculous: Tales of Ladybug & Cat Noir (2015)

S4E22 Kuro Neko

As the newly appointed Guardian of the Miraculous, Ladybug successfully gathers an incredible group of superheroes. However, Cat Noir feels sidelined and chooses to relinquish his Miraculous. This leaves Ladybug in a difficult position, as she must find a new bearer for the Cat Miraculous.