Kuroka Toujou

Kuroka, later named Kuroka Toujou is a Nekoshou, a rare variant of Nekomata. She is the older sister of Koneko Toujou, making her the firstborn daughter of Fujimai and her human lover. After their parent's deaths, she and her sister were turned by the Naberius clan into reincarnated Devils. However, after killing her previous master to protect her sister, Kuroka became an SS-Class Stray Devil, one of the most wanted criminals. She soon became a member of the Vali Team, who were previously affiliated with the Khaos Brigade, upon joining the Team DxD, she was exonerated from her previous crimes because of her actions. She is also one of Issei's fiancees. After the defeat of the Alliance of Hell, she became Xenovia Quarta's Bishop.