Miluse (ミルシェ) is a student of Queenvail Girls' Academy and the leader of the girls' rock band Rusalka. She is the vocalist and lead guitarist.
Miluse is bright, cheerful, and energetic. She is also light hearted. Miluse doesn't like to think deeply about things and typically acts based on a whim. Because of this, she isn't that smart.
Orga Lux: Miluse wields an electronic guitar of Lyre-Poros, the Lyre Poros-Calliope (ライアポロス＝カリオペア). It is capable of emitting a crushing wave and can also deploy a sword-shaped blade of light.
Genestellar (星脈世代): As a Genestellar, Miluse has enhanced physical ability and an aura known as prana.