Natsume, now trapped in the mansion, is trying to keep the Monkey Mask youkai from revealing the Book of Friends to Matoba. While Hinoe and Misuzu attempt to find the strange youkai’s master.
You've must promise, okay?
¡Prométeme llamarme sin 
falta cuando llegues tarde!
¡Prométeme que me
llamarás si vas a llegar tarde!
Prometa pra mim!