What if after the agreement to meet up outside the art gallery had been forgotten?

What if the both of them didn't remember what they were going to do when they had set foot outdoors?

What if the two of them weren't able to recall their terrifying journey either?

What if everything went back to how it all was, and everyone was normal?

What if…

What if it all happened again?

In the late morning under a grey sky…a family of three was on their way to an art gallery they had visited many years ago…

"You have everything you need, correct?
Oh, don't forget about your handkerchief now! You know, the one Mother got you for your birthday… Do you even remember it, or what it looks like?
Perhaps you can find it then put it back in your pocket to keep it safe and sound! Like you were supposed to do the first time…"