The Strongest Demon Hunter Is Actually the Top Ten Teachers in School?

Shen Kaiben was a physics teacher at a girls' school. When he was about to die, he accidentally discovered the Demon Hunter System. In this world, everything is peaceful during the day, but at night, demons are rampant and hundreds of ghosts rule? To protect the world... As well as the lovely students and gorgeous teachers on campus! Shen Kai has embarked on the path of becoming the strongest demon hunter! ... An unknown kid: I accidentally passed by him that day, and he grabbed me with a smile to clean up his school. That was the first time I felt tired in all these years of being a ghost... A demon lord who did not want to be named: Do you know what it feels like when an enchanted missile explodes in my face? It turns out that the demon-slaying sword on his waist is just for showmanship! Prime Minister of the small island country: Shen Kaisama destroyed our shrine on the grounds that there was a ghost in the shrine. Forget it, what does it mean to take away so many Sakura girls and provide shelter? President of the Beautiful Country: Solemn Statement! Regarding Mr. Xia Guo Shen Kai's behavior of blowing up our country's military base in the name of catching ghosts and fooling children! We protest and severely condemn! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.