Wo, Conglin Zhuzai

Lin Tian, a genius game designer, was betrayed by his lover Luo Yue and assassinated in the jungle because he knew too much about the company's secrets. When he woke up, he found he has became a low-level monster in the jungle. In order to avenge the past, he starts on a new path as a jungle monster.

(Source: Kuaikan, translated)