MTL - I Was a Group Pet In 80 - Chapter 1420 Wu Cuiliu is indeed a smart woman.

My Beautiful Teacher tells the story of a university graduate Qin Chao who can’t seem to find a job and is in a downward spiral in his life. Then one night as he walks home from another failed job interview, a vase hits his head, making him get possessed by an old and powerful evil spirit sealed in that vase and following another incidents, inadvertently saved a mysterious university teacher Su Ji, thereby opening his path to cultivation, he also manages to get a job as a security guard at Guangyuan School. A series of adventures then took place as he deals with all kinds of supernatural beings.

- Description from Novelupdates

Forty years ago, demons invaded the eastern continent. Coming from another realm, they hunted the humans, and people soon began to wage war with them. Before long, there were those among the humans who inherited the demons' abilities.Demon hunters are currently the most in-demand profession. Although the chance of dying during a raid was high, the hunters were mostly popular among the common people. If you have some demon blood in your body, then the path to the Hunter's Association is open to you.Year 2066, Seoul. The territory of the former city is divided into three parts. Green Zone, Orange Zone and Red Dangerous Zone. Although mostly ordinary people and workers lived in the green zone, there was a chance for demons to get into it. That's why demon hunters patrol the whole area, sacrificing themselves for the lives of people.The main character, Lee Ki-hyun, inherited 50% demon blood and became the world's first SSS-ranked demon hunter. He will have to go through the path of a demon and learn the truth about his parents to save humanity.

Zein was a rogue Guide living in the god-forsaken land of the red-zone, guiding for money and survival. Until the guild he used to work with caused a tragedy. Driven by sorrow and guilt, Zein became a mercenary guide in the land bordering the forbidden Deathzone, working like a suicidal monk. One day, an overbearing Esper suddenly appeared and told him, “If you’re so hellbent to die, why don’t you come with me to the Deathzone?”A strange proposition, a nostalgic smirk. Had Zein actually met him before?Following the man into the deadly zone, will Zein find the respite he seeks, or will he get engulfed in a storm?But there’s no such thing as love in the deathzone...is it?* * *The story is set in a sentinel-verse, so there will be:- Sentinel (Esper) and Guide- Dungeon!- Romance- Action- …smut? ;)It’s a (kinda) love story wrapped in dungeon system shenanigans, with abilities and action and whatnot