Instead of Checking In Regularly: I Hide And Cultivate In The Monster-quelling Tower And Become Invincible - Chapter 6: Feeling so-so

What got summoned was the world’s strongest sociopath.

Yang Yi was orphaned as a child. Foul play was ruled out by the authorities, but Yang Yi always suspected otherwise. Finally, once he was older, he met one of his father’s old friends who revealed the truth about his parents’ deaths. His father was an intelligence broker and had stumbled upon a mysterious, powerful independent spy organization. Both his parents’ were murdered to ensure the organization remained a secret.

Since he was unable to forget why they died, due to his eidetic memory, the only way he could be at ease was to seek revenge. In order to fight against the mysterious organization, he would first have to train in the art of espionage. However, not even one of the national spy agencies was willing to accept Yang Yi into their ranks due to his father’s sensitive identity.

Left to forge his own path into the field, he seeks out his father’s old allies for help. He learns how to be a spy in unexpected places while gathering the resources and allies necessary to form his own private spy organization.

Follow Yang Yi in his quest for vengeance! Follow Yang Yi as he prepares for A War Between Spies!

- Description from Novelupdates

Years ago, Earth was indoctrinated into the “System.”Earth was not the only place with the System, however. With the System came the other races, Invaders. The Invaders had one goal, to obtain ownership of this new habitable planet. This created a bloodbath, and for years the war raged.This didn't really have much to do with Derek. Derek was kind of a loner. Yeah, he enjoyed the occasional chat or drink with others, but he never stayed in one place too long or really got to know anybody new.Derek did happen to be rather strong. After the years of fighting monster and Invaders alone, he had become quite adept at surviving. One thing that helped keep him alive was his refusal to get involved with others. He rarely cooperated with teams.One day, Derek broke his rules and decided to lend some help, as the mission didn't seem too hard. He should have stuck to being alone.

Hoo hoo hoo, the Director has fallen! (crying)Don't... don't rush to call an ambulance, just help me up first!After staying up late playing games, Fang Ye woke up to find himself transformed into the director of a rundown zoo, having a docile and perceptive Amur tiger, a ferocious and haughty silver fox, a gray wolf that enjoyed showing off its relationship...As the zoo developed, its array of charming animals began to attract visitors from all over the world.“Why do all the animals like me?” Faced with the curious questioning of children, Fang Ye looked up at a 45-degree angle into the sky, speaking in a tone that was deep and mysterious, “It all started on a breezy and sunny evening...”