Homo Sapiens Continent

(No heroine) This is an era where three races coexist and one race is independent. The omnics who pursue the birth of machines, the immortal people who long to find their emotions, the primitive people who stick to themselves, the aggregation of dragons that see their beginnings but not their tails, the era is turbulent due to the arrival of a mysterious guest, just like the butterfly effect, it affects the whole body.