YOU SAID:

Whay does this exist https://youtu.be/2gL_QyPMkhY

INTO JAPANESE

Whay はこの https://youtu.be/2gL_QyPMkhY が存在します。

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Whay is this https://youtu.be/2gL_QyPMkhY.

INTO JAPANESE

Whay がこの https://youtu.be/2gL_QyPMkhY です。

BACK INTO ENGLISH

Whay is this https://youtu.be/2gL_QyPMkhY.