Introduction:
"I Upgrade Alone" is a comic work serialized on the comic platform, adapted from kakaopage's novel "solo Leveling". It tells the story that Cheng Xiaoyu, an E-class hunter, got an upgrade system on the brink of death and made unremitting efforts to become an S-class hunter.
10 years ago, the "door" linking the world with other dimensions was opened, and all kinds of magical things appeared constantly, so hunters with different abilities appeared, called "hunters". Cheng Xiaoyu is the weakest E hunter. In a challenging task, he met a terrible hidden challenge. At the time of life and death, he actually got an upgrade system! Can he become the strongest hunter with the use of the system?
The protagonist:
Cheng Xiaoyu: The hero, a former E-class hunter, risked his life to make money in the underground city to pay for his mother's medical expenses and his sister's tuition, and then got an upgrade system on the verge of death. Through unremitting efforts, he became an S-class hunter.
Cheng: A man's sister, one of his favorite people.