Haruaki goes back to his family home, but then a few of the students decide to visit him there. While they're there, the students meet Haruaki's older brother, Amaaki, who seems to dislike youkai.

It's Sports Day at Hyakki Academy part 2! Class 2-3 is struggling at 3rd place, but they're trying to get to 1st place with the obstacle course relay. But an accident occurs and steers the event into an unexpected direction.