High school student Mika (Yui Aragaki) has yet to encounter true love. One day, she runs meets Hiro (Haruma Miura), a rebellious young man with white hair, during class break, but is of put off by his unusual demeanor. Mika then loses her cellphone only to find it again with all her contacts deleted. Then a mysterious person calls her daily, leaving memorable remarks for her. Mika becomes interested in this mysterious person. Finally, the person on the other end of the phone asks to meet Mika in person.