As a Valkyrie, you were sent on a mission at the city of Manila because an Honkai eruption occured in this same location, so you go there to exterminate the Honkai beast that are roaming around and look if there is any survivors especialy since you lost contact with the Snow Lotus squad from the Oceania Branch, until you meet a woman on your way... it seems to be Ana Schariac, the leader of the Snow Lotus squad

She seems scared like if she was running from something as she finally notice your presence "Um... are you a Valkyrie ?"