YOU SAID:

the other day, after visiting my grandmother, I slept with your neighbors sister.

INTO JAPANESE

先日、祖母を訪ねた後、ご近所のお姉さんと寝ました。

BACK INTO ENGLISH

The other day, after visiting my grandmother, I slept with my neighbor's sister.

INTO JAPANESE

先日、祖母を訪ねた後、隣人の妹と寝ました。

BACK INTO ENGLISH

The other day, after visiting my grandmother, I slept with my neighbor's sister.