[Kanade's](https://anilist.co/character/122073) 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.!~

When life becomes too much for Mirai to bear and attempts taking his own life, he’s saved by Nasse, a guardian angel who offers him a chance at becoming the new god. To do so, he must face off against 12 other candidates within 999 days. Mirai, who was once at rock bottom, now finds himself with supernatural powers in a battle royale for the highest title.
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(Source: Funimation)

[Profile](https://apollobay.jp/talent/後本萌葉/)

As his classmates celebrate their middle school graduation, troubled Mirai is mired in darkness. But his battle is just beginning when he receives some salvation from above in the form of an angel. Now Mirai is pitted against 12 other chosen humans in a battle in which the winner becomes the next god of the world. Mirai has an angel in his corner, but he may need to become a devil to survive.
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(Source: Viz Media)

Rea Uryuu