On a normal morning at Hakuho High School.

Precisely in Reo's class. The class atmosphere was very busy and very noisy considering there was no teacher to look after it.

Even though the bell for class rang ten minutes ago. Teaching and learning activities should be taking place now.

Reo, who was sitting at the front near the window, just stared blankly at the beautiful view from the classroom window. Even though he feels bored.

Then, the door was heard being opened and the sound of heels entering the classroom immediately made the whole class quiet and whispering as if gossiping about something.

This succeeded in making Reo's attention focus on something which made the whole class quiet and whisper.

Reo widened his eyes and his heart pounded a little when he saw an adult woman who looked young standing in front of his class with a firm expression.

At that time, Reo's life was no longer feel bored monotonous because something just caught his attention. Yes, that adult woman teacher.