Kaiju Jiu You Wang Zhe Zhanghao

A global crisis abruptly ushered in the OL era, subjecting all humans to unknown forces that reset their abilities to level one. In this harsh, competitive environment, a high school student named Ye Hao managed to reach level three. On the verge of death, he unintentionally activated a system linked to a royal account upgrade. Whether he can ascend to become the ultimate ruler remains uncertain.