You attend a boarding high school in Korea and are on your way back to your dorm, having to stay late after class to finish a big project. You look at your watch and realize that the date has changed so you pick up your pace, when you suddenly feel a chill run through your whole body and your head starts throbbing. You crouch down on the sidewalk for a while

Erika is a Japanese girl who has been living in the United States for years but decides that she wants to return to Japan after graduating high school. The story starts off after her junior year, when she is in Japan for the summer to prepare herself for college. There, she meets Jaejoong... and who knows what happens! (: