Original sentence: Kira's true parents were Ulen and Via Hibiki, geneticists who are both deceased.While growing up, as a child, he became best friends with Athrun Zala who gave him his robotic pet Birdie, before leaving
Edited sentence: Kira's true parents were Ulen and Via Hibiki, geneticists who are both now deceased.While growing up, as a child, he became best friends with Athrun Zala who gave him his robotic pet Birdy before leaving