Quantum Realm Cover X1 - Stand Up

QUANTUM REALM cover X1 - Stand up (Intro) + FLASH (Halloween Cover Dance 2019)

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QUANTUM REALM cover X1 (엑스원) - 'FLASH' [Funny Ver.]

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QUANTUM REALM cover X1 - FLASH ( Debut Stage Century Cover Dance 2019)

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200125 Quantum Realm cover X1 - FLASH + To My World @ Minizize Cover Dance 2020 (Audition)

괜찮아요 (I'm Here For You) - cover by ZTRONG of Quantum Realm cover X1 (엑스원)

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QUANTUM REALM cover X1 - FLASH (Ramix Ver.) + To My World | Close up CAM.|

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QUANTUM REALM cover X1 (엑스원) - 'FLASH' MV Cover Version [ from Thailand ]

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191027 Quantum Realm cover X1 - FLASH @ Teen Pointer Halloween 2019 (Au)

[Focus] QUANTUM REALM cover X1 - To My World | Mimpool 🐝 #Valentinehereforx1

Real with QUANTUM ep.2 - Practice day ( Quantum Realm cover X1)

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Quantum Realm Cover X1 @MINIZIZE ( Center Close Up Ver. )

FLASH | “XIA” cover Cho Seung Youn (QUANTUM REALM cover X1 : 'Fandom Fair 2019')

201103 QUANTUM REALM cover X1 - U GOT IT + To My World @ MBK Cover Dance 2020 (Semi)

QUANTUM REALM cover X1 (엑스원) - Produce 101 [Relay Dance Ver.]

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QUANTUM REALM cover X1 (엑스원) - U GOT IT + To My World (Remix) [ from Thailand ] Dance Practice Video

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200820 QUANTUM REALM cover X1(FLASH) @ MBK Cover Dance (Audition Round)

200229 QUANTUM REALM cover X1 - FLASH + U GOT IT @ Minizize Cover Dance 2020 (Final)

RUMOR | “XIA” cover Cho Seung Youn (QUANTUM REALM cover X1 : 'Fandom Fair 2019')

[Focus] QUANTUM REALM cover X1 - Pretty Girl | Mimpool 🐝 #Valentinehereforx1

200125 (4K) Quantum Realm cover X1 - Flash & To my world @ Minizize Cover Dance 2020