"I know because I've always been watching you, Takahashi."

The playboy, Yamada and the ever serious, Takahashi have been strangely comfortable with each other even from the first time that they met. They thought the days where they are always together would continue the way it is but...

Even after separating, they still hear news of each other from others. Although two years have passed, their feelings have only gotten more complicated.

What will they choose to do when they finally get to see each other again...?