Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
Hydra
F-777
HYDRA（piano ver.）
琳依
Hydrate
Skrillex, Flowdan, BEAM, Peekaboo
HYDRA
Saneyori
HYDRA
MYTH & ROID
Summertime Sadness
Within Temptation
HYDRA
四六時Shirokuji
Hydra
James Landino, Akira Complex
hydra (long edit)
Betwixt & Between
Nature Flow (Teil 1)
Jens Buchert
HYDRA（翻自 MYTH&ROID）
冰镇豆沙君
Covered by Roses
Within Temptation
Hydra
Covet
HYDRA
Ben Monder
Hydra
Celestial Realms
HYDRA
狐妖Mikan
Dangerous
Within Temptation
Hydra
Smith Village Beat Street
Hydra
aran
HYDRA
Dover, Vino, Revealed Recordings
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
Let Us Burn
Within Temptation
Paradise (What about Us)
Within Temptation, Tarja
Dog Days
Within Temptation
And We Run
Within Temptation
Hydra
Dal Av, Jackson Rose, Scottay, Everglade
And We Run (feat. Xzibit)
Within Temptation, Xzibit
Hydra
R. Armando Morabito, Julie Elven, Tina Guo