The story follows Sakamoto Mio as she receives training to become a Witch from Kitagou Fumika. The plot will later shift to the Fuso Sea Incident as the story progresses. (Source: Strike Witches Wikia)

Strike Witches Zero: 1937 Fusou Kaijihen was published in English as Strike Witches: 1937 Fuso Sea Incident by Seven Seas from August 19 to October 7, 2014.