HYDRA钢琴曲（Cover MYTH & ROID）
LBF(老伯父）
Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
Hydra
F-777
HYDRA
Saneyori
Hydra (Original Mix)
Holl & Rush
Hydra
Rhythmstar & Pawz
HYDRA（instrumental）
MYTH & ROID
HYDRA
PLATINUM HYDRA, Hooligans product
HYDRA
PLATINUM HYDRA, Hooligans product
HYDRA
NEPHELIM PULSE