YOU SAID:

I've been a bad boy for mistress and I need to be punished.

INTO JAPANESE

私は愛人の悪い子でした、そして私は罰せられる必要があります。

BACK INTO ENGLISH

I was a mistress's bad child, and I need to be punished.

INTO JAPANESE

私は愛人の悪い子でした、そして私は罰せられる必要があります。

BACK INTO ENGLISH

I was a mistress's bad child, and I need to be punished.