YOU SAID:

Stop being sister sickening you sister fister

INTO JAPANESE

あなたの妹の妹を嫌がらせ妹になってやめなさい

BACK INTO ENGLISH

Harass your sister's sister and quit being a sister

INTO JAPANESE

あなたの姉の妹に嫌がらせをして姉であることをやめる

BACK INTO ENGLISH

Harass your sister's sister and stop being an older sister

INTO JAPANESE

あなたの妹の妹に嫌がらせをして、姉になるのをやめなさい

BACK INTO ENGLISH

Harass your sister's sister and stop becoming an older sister

INTO JAPANESE

あなたの姉の妹に嫌がらせをし、姉になるのをやめなさい

BACK INTO ENGLISH

Harass your sister's sister and stop becoming an older sister