Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 31 - : Beauty, Treasure, Power

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Upon awakening, Su Changkong found himself transmigrated to a world thrown into chaos by war and rampaged by demon monsters, where his martial arts talent was mediocre. However, Su Changkong discovered that as long as his own “life span” increased, his talents and potential could also be “limitlessly” enhanced!Cultivating the Health-preserving Fist technique and practicing the qi of longevity! The path to immortality is littered with corpses, and Su Changkong embarked on a Martial Arts path where he would not perish, even if heaven and earth were to be annihilated!

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...”

Once I’ve become Immortal, then my attempt to conquer the world shall begin.