The warning was a second late, and Celia had already pressed the button.

There were two creaks in the wall next to her, and immediately after, an opening just big enough to drill a person into appeared.

Celia paused and looked at that opening before looking at the person behind her.

It was Aidan.

Celia wasn't surprised to run into him in the institute because his family was politically powerful. Besides, the Red Mushroom incident was vital, and it was normal for him ...