A Terrified Teacher at Ghoul School!, Volume 13 (A Terrified Teacher at Ghoul School! #81-87)

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...