A Terrified Teacher At Ghoul School!. 13

It's time for Class 2-3 to go on a four-day, three-night trip to Kyoto! Having been warned by both his students and fellow teachers, Haruaki's sure to be on his best behavior…if he can help it! But when he visits a shrine dedicated to his ancestor, Abe no Seimei, he suddenly finds himself in a vision of the past...