C516 The Changes in the First Level.

In the real world, in a hospital in Japan.

"Da da!"

The sound of someone running quickly could be heard in the quiet corridor. It was a nurse. The expression on her face was very serious, as if something major had happened.

"Dong Dong Dong!"

"Please come in ..."

"Bang!"

The nurse knocked on the door of a room in a slightly hurried manner. After receiving a response from the person inside