League of Legends: League of Unknowns - Chapter 1 - Retired as a Casual

Aaron, a wildlife biologist, became a military strategist right after a global war between nations began.He never wanted to participate in the war but he had to, because he wanted to continue his studies on endangered species the moment the war was over, but to his surprise, everyone in his unit were killed, including him, and the next thing he knew, Aaron woke up in the body of a young noble having a similar name to his.However, he also noticed he had awoken in a world different from Earth.In this world, demonic beasts ran rampart with only one thought in mind, causing them to feed on anyone they see, be it humans, elves or even magical beasts as well.During his first encounter with a magical beast, Aaron awakened a system which allowed him to bond with magical beasts and to obtain terrifying abilities from these bloodcurdling magical beasts, so he used his experience as a wildlife biologist to help make it easier for him to bond with these beasts.However, Aaron also noticed he could evolve these beasts if their loyalty towards him had reached a certain level, so he vowed in his heart to grow strong enough to protect those he cared about in this world with the hope of living a happy, peaceful life where he'll be able to focus fully on his passion as a wildlife biologist.

The past life Ji Anran: “Geng Yan, let’s get back together.”

Geng Yan, who was dumped: “I refuse. You have powers anyway, and you can live well without me.”

After rebirth, the weak chicken Ji Anran: “Geng Yan, let’s get back together.”

The dumped Geng Yan: “I refuse.”

Ji Anran, lying dead: “I have no power, you don’t care about me, just let me get cold1.”

Geng Yan: “… …” The unsuccessful Geng Yan can only take away the weak chicken, one cannot put sand on the wall2 Ji Anran.

Later… what about the ordinary person without the strength to truss a chicken?! Who’s the guy in the day?

- Description from Novelupdates

The little princess of the Huo family, one of the wealthiest families, was mistakenly switched out nineteen years ago! The fake heiress is well-educated, talented, and doted on, while the real heiress is an uncontrollable girl who loves to fight, has a strange personality, and had dropped out of school very early…

Makoto Kenji, an overworked underpaid loser, was suddenly transported to another world along with a few of his co-workers.arriving in the new world. they were brought to save the world from the onslaught of the demon king.but while assessing their prowess, they realized that Kenji was an animal tamer, one lesser than a beast tsmer and could only tame dogs and cats and occasionally a few birds.eventually, Kenji was kicked out, though, he was kicked out with a lot of gold on him, so he could easily get by.Eventually once more, Kenji was able to create a life for himself with his regular cooking skills which were like greatness in this world.for the regular dish of rice and curry was powerful enough to make the people of this world increase their rank levels. ( Under classes, there are ranks, and under ranks, there are six levels)But even with the fame and money he gad acquired, Kenji eventually got bored and decided to become an adventurer!but on his first quest, something happened to him. something that would change his entire life and the faith of this world.