Isn't This the World of Cultivating Immortals? Why Are You Using Muskets?

Traveling to a fantasy world, he was assigned to the musketry department of Lieyang Academy. I thought that from now on it would be a passionate life of roaring gunfire, exploring secret places, and practicing under the moon. Until I discovered: there were kickbacks for the food in the cafeteria, the guns provided to the freshmen were defective, and there had been three deputy hall masters in seven years, but my brother-in-law's weapons shop had been open for eleven years. One hundred and thirty-seven years, this method of play has never changed.