A/n

Marinette is a member of the seven deadly sins along with her brother Marin. She is the wolf's sin of loneliness. One day, her whole class suddenly got teleported to Brittania. While she was fighting Ban in the fighting festival in Vaizel, she got a report saying that her brother mysteriously disappeared. With that, Marinette went to a quest finding her brother accompanied by: Meliodas, Ban, King, Diane, Merlin, Gowther, Escanor, Gilthunder, and Adrien.

Will they ever find Marinette's brother?