アストレイン

A beautiful maiden who lives in the Celestial Realm. She is a Valkyrie who bestows blessings upon the strong on Earth, and she accompanies Reika on her journey as her close ally. She speaks in a clear, polite, and calm tone. She is an excellent warrior, polite but terrifying when angered. She cherishes Reika, to whom she has given her blessing, as the most trustworthy person on Earth.