190905 Seungyoun special MC @ M! COUNTDOWN

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190905 X1 (엑스원) - FLASH (플래시) @ IDOL RADIO

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190905 X1 3rd win (FanCam Encore) @ M! COUNTDOWN

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190905 X1 - FLASH @ M! COUNTDOWN

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190905 X1 - Like always @ M! COUNTDOWN

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190905 BEHIND THE SCENE - X1 @ M COUNTDOWN

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190905 Seungyoun special MC @ M! COUNTDOWN

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’Today’s MCD’ X1(엑스원)과 함께하는 몸으로 말해요! M COUNTDOWN 190905

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Top in 1st of September, ’X1’ with ’FLASH’, Encore Stage! (in Full) M COUNTDOWN 190905