Is Shikong Zhi Xi hentai?

ONA · 2022 · 13 episodes · PG-13 - Teens 13 or older

Action

Unstable energies of the present world and an alternate realm has ripped open a rift of time and space. It is the only passage where monsters from the alternate realm can enter the world. To stop the invading monsters, a group of chosen people step forward to fight and protect the world at the rift. (Source: bilibili)