Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
Hydra
Covet
Paradise (What about Us)
Within Temptation, Tarja
Hydrate
Skrillex, Flowdan, BEAM, Peekaboo
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
Summertime Sadness
Within Temptation
HYDRA
四六時Shirokuji
Hydra
aran
Hydra
Smith Village Beat Street
Hydra
F-777
And We Run
Within Temptation
Dangerous
Within Temptation
HYDRA
狐妖Mikan
Tramp Like You
Oracle Sisters
HYDRA
MYTH & ROID
Hydra
James Landino, Akira Complex
hydra (long edit)
Betwixt & Between
HYDRA
Saneyori
Edge of the World
Within Temptation
Let Us Burn
Within Temptation
Whole World is Watching
Within Temptation
Dog Days
Within Temptation
Let Her Go
Within Temptation
Hydra
Grover Washington, Jr.
装*(Hydrax Remix)
Hydrax
Hydra
Rhythmstar & Pawz
HYDRA（piano ver.）
琳依
Hydrangea
Sound Online
Silver Moonlight
Within Temptation