YOU SAID:

were here to have a slumber party with kenny

INTO JAPANESE

ケニーと眠っているパーティーをするためにここにいた

BACK INTO ENGLISH

I was here to have a sleeping party with Kenny.

INTO JAPANESE

私はケニーと寝ているパーティーをするためにここにいました。

BACK INTO ENGLISH

I was here to have a sleeping party with Kenny.