Who is the new song?

Address
https://instagram.com/p/Bf0psDAHSKY/
I do not know what to do.
In fact, the first time a fan named "Rubber Tug-of-War" was set up, I did not know how to read it, so I got in a lot of trouble. ㅋㅋㅋ ㅋㅋㅋ ㅋㅋㅋ ㅋㅋㅋ ㅋㅋㅋ ㅋㅋㅋ ㅋㅋㅋ ㅋㅋㅋ

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