

Naze Boku no Sekai wo Daremo Oboeteinai no ka?
A boy named Kai suddenly watches his world get rewritten before his eyes. In the original timeline, humanity won a massive war against five powerful tribes thanks to a legendary hero named Sid. But in this new version of reality, Sid never existed—and humans lost badly. Now dragons and demons rule the world, and Kai himself has been erased from everyone's memory. After meeting a mysterious girl named Rinne, Kai refuses to accept this twisted fate. Armed with the hero's sword and combat techniques, he sets out to fight back against the dominant races that now control everything. In a world that never had its savior, Kai becomes humanity's unlikely last stand.
Content compiled by AnimeList.moe from publicly available sources.


Naze Boku no Sekai wo Daremo Oboeteinai no ka?
9vol
2017
Synopsis
A boy named Kai suddenly watches his world get rewritten before his eyes. In the original timeline, humanity won a massive war against five powerful tribes thanks to a legendary hero named Sid. But in this new version of reality, Sid never existed—and humans lost badly. Now dragons and demons rule the world, and Kai himself has been erased from everyone's memory. After meeting a mysterious girl named Rinne, Kai refuses to accept this twisted fate. Armed with the hero's sword and combat techniques, he sets out to fight back against the dominant races that now control everything. In a world that never had its savior, Kai becomes humanity's unlikely last stand.
Content compiled by AnimeList.moe from publicly available sources.
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Naze Boku no Sekai wo Daremo Oboeteinai no ka?
A boy named Kai suddenly watches his world get rewritten before his eyes. In the original timeline, humanity won a massive war against five powerful tribes thanks to a legendary hero named Sid. But in this new version of reality, Sid never existed—and humans lost badly. Now dragons and demons rule the world, and Kai himself has been erased from everyone's memory. After meeting a mysterious girl named Rinne, Kai refuses to accept this twisted fate. Armed with the hero's sword and combat techniques, he sets out to fight back against the dominant races that now control everything. In a world that never had its savior, Kai becomes humanity's unlikely last stand.
Content compiled by AnimeList.moe from publicly available sources.
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Naze Boku no Sekai wo Daremo Oboeteinai no ka?
なぜ僕の世界を誰も覚えていないのか?