MTL - Path of Medicine With a System - v2 Chapter 1867 baffling

I was a good looking prince when I was reborn, and because I could do indecent things as much as I like, I decided to make a harem while traveling with a beautiful female elf~

The Buddha said all beings are equal, so why then does he sit high on the peak of Mount Meru, issuing commands and directions?Tathagata, you owe me five hundred years!A Monkey King who could recall past and present lives, this time, could he leap out of Tathagata's palm?…[Guaranteed three updates every day, never to fall behind, or may I chop off my own hand.]

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.

Crossing to One Piece world, he became Roger’s younger brother.