MTL - Comprehensive Manga: The Wandering Ninja World Started From Questioning Payne - Chapter 16 Question 4

As the owner of an ordinary bookstore, Ling PingAn’s biggest wish was to muddle through life and do absolutely nothing.

Hadica was built around one of five Towers, an infinite structure filled with floors of monsters, magic, and treasures that the city plunders like clockwork. Most of the city, at least. Growing up in Westhill, Micah's family abstained from all of their Tower's bounties. He became an [Alchemist] at an age younger than most and just wanted to level in peace, but soon ran out of mundane ingredients to brew into potions. Ryan is a budding [Fighter] with the strange ability to mimic beasts, including monsters, but he doesn't understand it or even himself. After a Tower climb goes horribly wrong, their lives and the world around them begin to change as they try to figure out who they want to be.The Salamanders is a slow-paced story about characters growing up in and exploring a fantasy setting. It updates sporadically. Please mind the tags.

Chris was born in a world where the humans are not the ones at the top of the food chain. Even when they are the bottom, humans fight each other for power. Whether Chris would survive in such a world or not, read the story to find out.