MTL - The Fallen Merman - ~ The main story is over, please look forward to the side story

Among the demons, the supreme ones are called “Great Saints.”

A young man leaves his mountain village and travels around the world. By unceasing efforts, he finally becomes a legend of the age.

- Description from Novelupdates

Natasha Novak was a fairly known artist from an Earth devastated by pandemics. One day, she was playing an online game and falls off her chair as a moment of luck brightens her otherwise monotonous life, and dies of a stroke due to hitting her head.Reborn in Galeia, a world of magic, she sets out to explore this brand new planet and maybe find others like her. Join her and her companions as she faces a world with a culture alien to her, meets Gods, and takes part in adventures all over the globe.

Young Lin Yi, betrayed by his beloved, had his core taken away and became a pariah despised by all.At a fortuitous moment, Lin Yi acquired the ancient legacy 'Chaos Sword Body Technique', rising against the odds to embark on a path of revenge!“Those who have wronged me, Lin Yi, shall be repaid a hundredfold!”

The fallen Sky Knight was the sky's tears,and with altitude still at hand, he wouldn't give up,Blood and Fire and Iron descended from the heavens,Behold, the heavens were crying!The roaring soul was rising through the sky!!!