|Unaltered Name||Reisya Truelywaath|
|Weight||108 lbs. (49kg)|
|First Appearance||Ar tonelico II: Melody of Metafalica|
|Japanese Voice Actor||Yuka Shioyama|
Luca's mother. She lost her youngest daughter, Leyka, and her husband during an attack from Dr. Laude several years ago, and has been troubled over it since. She harbors many secrets, including one which may eventually change the fate of the world.