MTL - Fairy Tail: Start To Capture the Fairy Queen Erza - Chapter 440 Brandish who was calculated, and Lucy whose identity was exposed

In a world dotted with World Entrances to a demon world, demons have invaded humans for centuries. Humanity has united and one of the most ancient sects in the world, the Archean Mountain Sect, has set up an entire education system in the form of Dao Academies and defenses at the World Entrances.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

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He Gui can freely travel between reality and the parallel world in 1985.

The disappearing Chinese rhino appeared.

Spotted soft-shelled turtle and white dolphin appeared again.

The extinct local pigs are on the table again.

He Gui: I am as stable as an old dog in the real world, but I attack everywhere in the parallel world. PS: During the new book period, there are two updates every day, 8 in the morning and 6 in the evening. Mengxin asks for recommendation, collection, investment.

- Description from novelbuddy