First Impression: A Terrified Teacher at Ghoul School!
Haruaki Abe badly wants to be a schoolteacher, but within the first thirty minutes of his first day of work a delinquent welcomes him with "What the hell are you staring at, huh?" and he goes straight home and stays there...for a year! But his second try is going to be different. The school is a quiet academy on Hyakki Island, it uses the traditional sailor uniforms that he loves, and the headmaster is a friend of his family.
https://beneaththetangles.com/2024/10/08/first-impression-a-terrified-teacher-at-ghoul-school/