"We all believe we're running into a burning building, but until we feel the heat, we could never know. But you do."

Doors, where the time disappears in the shape of liner structure, and the pieces to the key of the future are hidden within.

This time, Akatsuki has her new task to carry on, and the word, "TEKET", is the key to stop the worst scenario to come happen.

"To do what I do, I need some idea of the threat we face."

Follow the stream of the events, blend in, and picture the route to bring the correct path to the right future.