"My alchemy will always surpass your sorry abilities . ."

"You have failed ______, your abilities and life force shall be confiscated!"

Age 37

Mid 20s (Physically)

Gender Female
Hair Color White with Coffee Brown Bangs
Eye Color Greenish Yellow
Theme Color Purple
Personal Status
Relatives Yamaguchi Ken (Husband)

Sheryl Arpeggio Yamaguchi (Daughter)

Sharp Arpeggio (Daughter)

Flat Arpeggio Harmonic (Daughter)

Key Arpeggio (Daughter)

Ariaadagio Arpeggio Chord Note (Daughter)

Occupation Alchemist
VA (English) UK
VA (Japanese) Asano Masumi
Forte (フォルト) is the antagonist unofficial spin-off series of Senki Zesshou Symphogear SZ. She is an alchemist and main antagonist of the series.