|Age||Mentioned that she is the younger than Beatrice|
|Eye Color||Light Gold|
|Family|| Beatrice "Lilium" Anastasi (Sister),|
Cesare Anastasi (Father)
|Melee Weapon||Holy Lance|
After The Protagonist saves Beatrice, he/she along with Beatrice and Mattias start hearing more stories about another ghost girl. Soon Mattias and the Player go looking for her and accidentaly find her surrounded by some members of The Fraternity, Mattias tries to talk them out of it but Sylvia beats them up. Mattias, Sylvia and the Player then escape to the Fuel Station.
After Beatrice walks in and sees Sylvia. Both have a talk outside and Beatrice reveals that she became a sinner so she could search for their father. however, Sylvia, seeing that she became a sinner, calls Beatrice a traitor as she disowned their father after he supposedly abandoned them for a "filthy sinner", and then jumps on her personal Abductor and flies away, promising that she will kill her if she has the chance.
- Mattias seems to have a crush on her