Naze Boku no Sekai wo Dare mo Oboeteinainoka? 2 (MF Bunko J) [Light Novel]

[Machine Translation] The world has been "overwritten" to a history in which humans were defeated in the War of the Five Tribes. Kai, the only boy on earth who knew a world where humans were victorious over a powerful alien race, is forgotten by all humans, but he inherits the sword and martial arts of the hero Cid and decides to "restore the true world". Together with the girl of destiny, Rinne, he defeats the demon hero Vanessa, and succeeds in freeing mankind from the demon tribe. He also travels with Jeanne, a knight of the light of the spirit, to the Io Federation, the territory of the barbarian gods. In the land ruled by angels, elves, and dwarves, Kai sees that the hero of the barbarian tribe, the Lord of Heaven Alfreya, has changed drastically. The Lord Heavenly Master... He has changed. Everything has changed since then... The book has already become a big hit! The second volume of this fantasy blockbuster that has caused an overwhelming response!

世界は人類が五種族大戦に敗れた歴史へと「上書き」された。強大な異種族に支配された地上でただ一人、人間が勝利した世界を知る少年カイは、全ての人間から忘れられた存在になりながらも、英雄シドの剣と武技を継承し「真の世界を取り戻す」ことを決意する。運命の少女リンネと共に悪魔の英雄ヴァネッサをうち破り、人類を悪魔族から解放することに成功。さらに霊光の騎士ジャンヌと共に、蛮神族の領土イオ連邦へ。天使やエルフ、ドワーフたちの支配地でカイが見たものは、蛮神族の英雄・主天アルフレイヤの豹変だった。「主天様は...変わってしまわれた。すべてはあの時から...」早くも大ヒット!圧倒的反響を巻き起こすファンタジー超大作、第2弾!