Elf Tensei Kara no Cheat Kenkoku-ki - Chapter 14Book 4: -1: Defensive Wall

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

【Ensemble + System + Family Culture + No Female Lead + Protagonist Isn't Human!】Patriarch, something's wrong, a member of the clan is injured! Hurry, take them to the Sacred Tree!Patriarch, something's wrong, a clan member's life is hanging by a thread, they're about to die! Hurry, take them to the Sacred Tree!Patriarch, something's wrong, a clan member just passed away! Hurry, take them to the Sacred Tree, we mustn't let the body cool halfway!Reincarnated into a weak locust tree, Noah originally only wanted to bask in the sun every day, gaze at the moon, and live a leisurely life.But many years later, Noah looked down upon all living beings, only to suddenly realize that in this world, all were beneath his roots, within the shade of his tree.And that small family clan from the beginning, at some point, had already grown into a colossal entity.

Hello, my name is Hespera, and I am a psychopath or at least that is what all my doctors kept saying... and the god of reincarnation. He and the primordial of Chaos were quite the amusing duo. Oh, did I mention that I am also the first (and last) family member of Chaos. Yeah, that surprised me too. Apparently becoming a Blessed isn't easy.Anyway, I'm about to head out to my... hmm, fifth world? Or was it the sixth? Oh drat, I lost count! Well, whatever. It was lovely meeting you strange person from behind the screen. Please enjoy my life as-Girls! Stop groping me~