YOU SAID:

Rohan Kishibe was also killed. He was killed by Kira, who had matured.

INTO JAPANESE

ロハン・岸ベも殺された。彼は成熟したキラに殺された。

BACK INTO ENGLISH

Rohan Kishibe was also killed. He was killed by mature Kira.

INTO JAPANESE

ロハン・岸ベも殺された。彼は成熟したキラによって殺されました。

BACK INTO ENGLISH

Rohan Kishibe was also killed. He was killed by mature Kira.