Soul Eater (2008 Anime Series)

In a world where meisters and their human-weapon partners strive to become the most elite, a battle between good and evil unfolds. At the prestigious Shinigami technical school, three dynamic duos embark on a journey to prove themselves. Maka and her partner Soul, a free-spirited scythe, join forces with Black Star and his deadly ninja sword Tsubaki, as well as Death the Kid and his twin sisters Patty and Liz. As they navigate the intricate world of meisters and their creations, they must face their own demons and the darkness that threatens to destroy their world.