When does Soul Eater return?

Soul Eater is a Japanese manga series written and illustrated by Atsushi Ohkubo. Set at the "Death Weapon Meister Academy", the series revolves around three teams, each consisting of a weapon meister and at least one human that can transform into a weapon. The school is run by Shinigami, also known as Death, as a training facility for humans with the ability to transform into weapons. The meister students' goal is to have their weapons absorb the souls of 99 evil humans and one witch.