なぜ僕の世界を誰も覚えていないのか? (Series) favorite_border

[DeepL Translation - needs review] Volume 1 Introduction: "Why doesn't anyone remember the real world ......!" It is a time when the war between the five races for supremacy on earth ended in victory for mankind, led by the hero Cid. However, that world was suddenly "overwritten" in front of the boy Kai's eyes. In the rewritten world, Kai sees a scene where humans have been defeated in the War of the Five Tribes due to the absence of the hero Cid. However, after meeting a mysterious girl nam...