The supporting character's harem is very normal - Chapter 521: I will confront the Pope

Billions of light years away, on a planet where magic flows through every creature, two dominant species battle for supremacy, 'Humans and Ants'.In this world, Ants aren’t just insects, they are the most intelligent and powerful race who challenged humans, wielding magic and evolving in ways no one can predict.Reborn as an ant in this brutal, predator-filled realm, Kai refuses to accept a life of insignificance. With a sarcastic system, ultimate skills, bizarre evolution choices, and a talent for chaos, he sets out to defy fate.From dodging death against Dragon Men, Ape Men, Wolf Men and Termite Kings, etc to building his own army, Kai’s journey is one of relentless growth, cunning strategy, and outrageous battles.Survive! Evolve! Conquer! The world isn’t ready for the rise of the most overpowered ant in history.

Every time he dies, Ethan Hill gains a little more power.Earth was chosen for Integration, but Ethan knows from the second his Trial begins that the Integration is a lie. These creatures giving Earth the 'honor' of access to their Interface want something from Earth - he just doesn't know what.Now he's trapped on an alien planet and lost in a time loop, fighting for strength and for his own humanity.One thing's for sure: He'll die as many times as it takes to tear it all down.

“In a realm where cultivators command the elements, bending mountains and traversing celestial rivers, their power is unmatched. Among these mighty beings, the body refiners are renowned, their mere presence capable of rending the heavens and reshaping landscapes. Their skill in crafting transformative elixirs commands respect and admiration. A legend in the Upper Realm, known for an ascension gone awry, suffered the loss of his physical form. Yet, in a stroke of fortune, he discovers a way to regain his corporeal existence. Embarking on a rejuvenated journey in this mystical land! Resolved to surpass his past achievements, he vows to ascend beyond the ranks of experts, charting a path filled with power and ancient mysteries.”

I finally managed to kill the demon lord.