[Update time is uncertain]
Shen Mingyue, who was a member of the Demon Slayer Squad in his previous life, died in the line of duty, retained his memory and reincarnated into a policeman's home. I thought this life would pass happily.
It wasn't until after the college entrance examination at the age of 18 that something called the system suddenly appeared. It was said that due to a failure of the main system, some ghosts from the original world appeared in the current world.
And Shen Mingyue is the only person in the world who knows the breathing method, so the responsibility of killing ghosts naturally falls on her.
Shen Ming Yue: It's okay to kill ghosts, but why do I still wear the vest of my former comrades to kill ghosts? !
System: As for this... Mainly because I'm afraid you'll be too tired by yourself!
Shen Mingyue: ... You must have felt guilty just now! Absolutely!
Determination: Even if my body is destroyed, I will definitely kill the evil ghost!