Record of a Thousand Lives - Chapter 220

The mighty void dragons are on the brink of extinction due to a strange condition. Their bodies have suddenly started rejecting their kind.

Due to that, Arad's mother dropped his egg into a forest where he could hatch safely, leaving him with a fragment of her consciousness and informing him of the condition of their race.

From that point, his goal became clear. To save their race by either mating a lot or finding a cure for their condition.

But, sadly, nothing is ever that easy. Arad is still practically a newborn and cannot tap into the terrifying might of his race, and his rarity makes him a prime target for mages and scholars seeking to study the dying race.

A side story series featuring the girls of Kyoukai Senjou no Horizon.

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates