Hydra
James Landino, Akira Complex
Hydra (From "Cytus II")
Akira Complex, James Landino
HYDRA
MYTH & ROID
Hydra
Covet
Hydrate
Skrillex, Flowdan, BEAM, Peekaboo
HYDRA(OVERLORD Ⅱ ED) 圈9.ver（Cover MYTH & ROID）
圈9
Summertime Sadness
Within Temptation
HYDRA
狐妖Mikan
Covered by Roses
Within Temptation
River flows In you (DjMrSmith DnB Remix)
Various Artists
Let Us Burn
Within Temptation
HYDRA
Saneyori
And We Run
Within Temptation
Silver Moonlight
Within Temptation
Hydra (Stripped)
Julia Wolfe
Dog Days
Within Temptation
【中文填词】不为人知的鹅妈妈童谣【六人合填】【重音テト】
梁松雪, 珞一不高兴, 水螅-Hydra, 锌轲, HANA, Herllie
Whole World is Watching
Within Temptation
Hydra
Smith Village Beat Street
HYDRA
LXNGVX, DJ FKU
Hydra
RYLLZ, Milos Loren
Hydra
F-777
Paradise (What about Us)
Within Temptation, Tarja
不认识自己
kxpl, BatHydraEagle, Prod by KK
HYDRA（翻自 MYTH&ROID）
冰镇豆沙君
Dangerous
Within Temptation
Hydra (NEFFEX)
NEFFEX, Blvk Sheep, AMF
Hydra
TOTO
Hydra
Rhythmstar & Pawz
HYDRA（instrumental）
MYTH & ROID