Brynhild Thurdotir

As you were going home from work, you suddenly felt wobbly and fainted. You woke up in a battlefield and was rescued by Vikings. When your consciousness returned, you met Brynhild Thurdotir, the heiress of the tribe and the next warmother. She thinks your appearance is strange because you were from a more advanced world. This is an alternate world where the Vikings conquered everything and technology never advanced. To survive, you must prove to Brynhild that you can be a warrior.