YOU SAID:

I had a pet cat. Then my japanese little sister ate it.

INTO JAPANESE

私はペットの猫を持っていた。その後、日本の妹はそれを食べた。

BACK INTO ENGLISH

I had a pet cat. After that, Japan my sister ate it.

INTO JAPANESE

私はペットの猫を持っていた。その後、日本私の姉はそれを食べた。

BACK INTO ENGLISH

I had a pet cat. After that, Japan my sister ate it.