Character
Sylvia Mercury First
シルヴィア・マーキュリー・ファースト
Also known as: Sylvie
Biography
Show bio — may contain spoilers
A Planetary-Class Magician who serves in the USNA's Magician Unit "Stars". She holds the rank of Warrant Officer. Her code name is Sylvia Mercury First, whereas her nickname is "Sylvie".
Appears in