Mukuro Kyouka

Mukuro Kyouka is a major supporting character in the manga/anime series, Demon Kings. Originally an antagonist, Mukuro was a member of the Rare Hunters organization. She was one of Demon King Yomi's current top squadron leaders. Mukuro's squadron oversaw the East Quadrant. Mukuro came into contact with the Spirit Warriors, where she encountered Ginta Hanabishi in combat. After her loss, Ginta spared Mukuro's life, giving her the chance to not only repent for her sins, but fight him once more on her own terms. Mukuro took Ginta's words to heart, gradually turning over a new leaf. Mukuro's respect for Ginta eventually turned into admiration, and then love for him. She feels the need to repay Ginta for helping her turn her own life around. By the end of the series, Mukuro is happily married to Ginta.