YOU SAID:

This is my first time, please be cool.

INTO JAPANESE

これは私が初めてです、クールにしてください。

BACK INTO ENGLISH

This is my first time, please keep it cool.

INTO JAPANESE

これは私にとって初めてです、それを涼しく保ってください。

BACK INTO ENGLISH

This is my first time, please keep it cool.