Hydra (From "Cytus II")
Akira Complex, James Landino
Hydra
Rhythmstar & Pawz
Hydra
Covet
Hydra
James Landino, Akira Complex
HYDRA
MYTH & ROID
Hydra (Original Mix)
Holl & Rush
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
HYDRA
LXNGVX, DJ FKU
Hydra
F-777
HYDRA
狐妖Mikan
HYDRA
MYTH & ROID
HYDRA
Saneyori
Hydra
RYLLZ, Milos Loren
HYDRA（piano ver.）
琳依
HYDRA（instrumental）
MYTH & ROID
Hydra
NLW, Blinders
Hydra
KVKS, HSHK, VodKa, Pnan
Hydra (Outro)
Pure Orbit
Hydra
Celestial Realms
Hydra
Aekae, Phusis
HYDRA
四六時Shirokuji
Hydra
TOTO
Hydra (Extended Mix)
NLW, Blinders
HYDRA
FORGOTTENAGE, GTM
Hydra
Deniz Koyu
Agyria
VYDRA
Hydra
Hydrarace
Vydra
Cinna
Vydra
Ondrej Soukup, Andrej Chalimon, Zdenek Sverak
Hydra
Irene Skylakaki, Danton Supple, Hydra