Rea Uryuu

Kanade's younger sister which he holds an obsession towards.She is accidentally killed by falling from a high tower, caused by her brother after she told him that another boy confessed to her. Although she survived the fall, Kanade decided not to save her and let her die to preserve her undefiled purity forever, later keeping her remains cryogenically frozen. Kanade becomes a god candidate after finding out that he could revive her if he becomes God.