YOU SAID:

I used to play the piano when I was younger, with my sister in Japan

INTO JAPANESE

私は幼い頃、日本にいる妹と一緒にピアノを弾いていました

BACK INTO ENGLISH

When I was little, I used to play the piano with my sister in Japan.

INTO JAPANESE

小さい頃、日本で妹と一緒にピアノを弾いていました。

BACK INTO ENGLISH

When I was little, I played the piano with my sister in Japan.

INTO JAPANESE

小さい頃、日本で妹と一緒にピアノを弾いていました。

BACK INTO ENGLISH

When I was little, I played the piano with my sister in Japan.