Originally published: Japan: Square Enix, 2019.

Publisher Marketing: Mai Tanaka is the creator of A Terrified Teacher at Ghoul School. Publisher Marketing : At last, summer vacation is here! It's the season of fun, and Haruaki's starting it off...by being hospitalized?! This paves the way for a spooky hospital incident at night, and that's only the tip of the iceberg! Sano experiences a strange event at work, we learn the mysteries behind a youkai's birth, and a secret Sano's been keeping is revealed...

Format: Paperback | Pages: 178 | Publication Date: 2019-06-18