Mnet's 'M! Countdown' is back for its weekly show featuring performances by your favorite artists!

On this week's episode, ADYA debuted with "Per", Isaac Hong and Chin Sooyoung came back with "(n)everland", Lee Mujin returned with "Ordinary Confession", ONEUS made a comeback with "ERASE ME", aespa came back with "Spicy", and ICHILLIN' returned with "SIREN".

As for the winners, LE SSERAFIM and Seventeen were the nominees, but it was LE SSERAFIM who took the win with "UNFORGIVEN". Congratulations to LE SSERAFIM!

Other performers included LE SSERAFIM, BTOB, HANEUM, EPEX, Xdinary Heroes, BLITZERS, DRIPPIN, and TEMPEST.

Watch the performances below!

WINNER:

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DEBUT: ADYA

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COMEBACK: Isaac Hong and Chin Sooyoung

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COMEBACK: Lee Mujin

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COMEBACK: ONEUS

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COMEBACK: aespa

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COMEBACK: ICHILLIN'

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LE SSERAFIM

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BTOB

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HANEUM

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EPEX

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Xdinary Heroes

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BLITZERS

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DRIPPIN

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TEMPEST

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