Great Medical System in a Veterinarian - Chapter 352 - 170: Another Perfect Skill—Awesome Dr. Xiaochuan, Who Is It!!

This legend tells the tale of the protagonist, Kuroki summoned to protect the demon king from the hero.

Kuroki, unbeknownst to him, suddenly came to another world. He was summoned by the demon king, Modes. The territory which the demon king overrules was in the midst of being destroyed because of the hero. He had no choice but to bow before Kuroki.

“Please save us, Savior Dono!”

Kuroki nodded, deciding to save the demon king due to an unexpected turn of event.

One day, Yoichi who grew up while not knowing his parents has received the news of his father’s death. His father left behind a testament——which said he is to pick only one out of five ‘little sister candidates’?!

It’s a story that happened long, long ago, in a continent far, far away, about gods and mortals, sword and magic, war and peace, and of course love and hatred.

Amon was a poor miner’s son in a remote town in the kingdom of Hittite. Along with the discovery of a marvelous gem, his fate was changed. People on this land called it Gods’ Tear. But wait, what were the gods? It was said that the gods created the world. Then who created the gods?

Forced by the tantalizing fate, Amon had to struggle to find out the truth behind this world of magic and gods……

- Description from Novelupdates

Lyle Walt is a young noble boy and heir looking forward to the day he can inherit his family’s territory. Except around when he was 10 year old, his parents started neglecting him more and more in favour of his little sister, Celes.
On his fifteenth birthday, he is challenged to a duel by his sister to see who will inherit the household and horribly loses, being cast out of his family. Afterwards, he gets treated by the family groundskeepers and receives the family heirloom Gem from him that Lyle’s grandfather had entrusted to him. From there, he begins an aimless journey with his childhood friend and former fiancée, Novem, and the Gem-turned-Jewel that houses the memories, personalities, and Skills of seven of his ancestors.