In an alternate universe somewhere, humans have come into contact with other life forms - aliens, if you will - who have assisted in expanding our knowledge and capabilities as beings in this world.

What used to be science fiction is no longer fiction.

Recovery for patients has never been quicker and diseases have never been erradicated of faster. But of course, there are some consequences to this.

The Park family. The young high school boy from their family got involved in a terrible accident, leaving him to fall under a coma. Mr. and Mrs. Park didn't want to wait out the indefinite time so they accepted the great procedure to save their son's life.

It was a procedure with a 100% success rate - there was only one catch. The patient's memories of the past year would have been erased.

Without much thought, the Parks went on with the procedure.

They just never knew though... that within that past year, their son had found the love of his life.

Skipping a number of years ahead, somewhere not too far from the main metropolis, a young man makes his way to university, the same thought crossing his mind like any other day, "Where are you now, Chanyeol?"