Denji is robbed of a normal teenage life, left with nothing but his deadbeat father's overwhelming debt. His only companion is his pet, the chainsaw devil Pochita, with whom he slays devils for money that inevitably ends up in the yakuza's pockets. All Denji can do is dream of a good, simple life: one with delicious food and a beautiful girlfriend by his side. But an act of greedy betrayal by the yakuza leads to Denji's brutal, untimely death, crushing all hope of him ever achieving happiness. Remarkably, an old contract allows Pochita to merge with the deceased Denji and bestow devil powers on him, changing him into a hybrid able to transform his body parts into chainsaws. Because Denji's new abilities pose a significant risk to society, the Public Safety Bureau's elite devil hunter Makima takes him in, letting him live as long as he obeys her command. Guided by the promise of a content life alongside an attractive woman, Denji devotes everything and fights with all his might to make his naive dreams a reality.

On the planet after the disaster, the young boy Ye Yu went to Embers City for an assessment in pursuit of his dream. He faces numerous murderous intentions and mysteries, and the truth behind them is impossible to unravel.

A hundred years ago, immortal Tian Quan kills the Mirage Lord in a battle, and the Mirage Spirit disappears from the land of Cangshuo. However, Tian Quan's soul becomes incomplete and she loses the memory of the battle. After the battle, Tian Quan goes down to the mortal world to work on the land of Cangshuo and adopts the immortal pet bird Li Xiao. Li Xiao quickly transforms into human form, and Tian Quan is moved by how similar Li Xiao’s appearance and behavior are to her former lover Shao Weili. Li Xiao is born with the ability to identify hundreds of herbs, and he goes out to treat illnesses and save people on Tian Quan's behalf. After Tian Quan realizes that Li Xiao has not returned home for days, she goes to Luoyi Town to look for him. To her surprise, all the people in Luoyi Town are killed and the Mirage Spirit has re-appeared. Tian Quan and Li Xiao work together to fight against the Mirage and resolves the town’s crisis. As the Tian Quan regains her chaotic memories, she discovers that there is some probable connection between her deceased lover Shao Weili, Li Xiao, and the Mirage she killed...

In the future world, the virtual game "Epoch" developed by Chu Group has attracted worldwide attention for its perfect immersive experience. However, on the eve of the game's official launch, the game developers Chu and his wife disappeared mysteriously. In order to find clues about the whereabouts of his parents, the rich young man Chu Yi, under the guidance of the humanoid AI Chaos, spent 30 billion krypton gold to enter the game upgrade adventure. In the process, Chu Yi gathered a group of player partners who fought side by side. After several efforts, he finally found out that his parents' disappearance was related to the Fantasy World Organization. In order to find the whereabouts of his parents, fight against the Fantasy World Organization, and "save" the Era World, Chu Yi launched a series of ridiculous and unimaginable krypton gold operations, embarked on a journey of playing the pig and eating the tiger, and a wonderful battle between good and evil began.