Youkai Gakkou no Sensei Hajimemashita! Episode 4

Following a bad experience teaching at a public high school that resulted in a break from working, Haruaki Abe eagerly takes up a new job at Hyakki Academy. Despite his cowardice, the novice teacher is motivated to do better this time around. However, his mind quickly changes when he finds out that everyone at the school is actually a supernatural being known as a youkai, leaving him glaringly out of place as the only human around.