Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
Summertime Sadness
Within Temptation
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
Hydrate
Skrillex, Flowdan, BEAM, Peekaboo
Hydra
F-777
Hydra
James Landino, Akira Complex
Hydra
Covet
Paradise (What about Us)
Within Temptation, Tarja
Hydra
Celestial Realms
HYDRA（piano ver.）
琳依
Hydra
3ofr, G-rit, WGDAL
And We Run
Within Temptation
HYDRA
狐妖Mikan
HYDRA
Saneyori
Dangerous
Within Temptation
HYDRA
四六時Shirokuji
Hydra
Rhythmstar & Pawz
紫陽花の夜
ねじ式, GUMI
Silver Moonlight
Within Temptation
Covered by Roses
Within Temptation
Hydra
RYLLZ, Milos Loren
Dog Days
Within Temptation
Hydra
NLW, Blinders
HYDRA
MYTH & ROID
hydra (long edit)
Betwixt & Between
I'll Be Waiting
luserista, tree9capone, Hydraxd, berkonjoke
Let Us Burn
Within Temptation
Hydra
VIOZ, HSHK, VodKa, Pnan
HYDRA OGGANG
Hydra