It was like a curse, not having a soulmate even though all your friends had one.

So! Your friends dragged you to a concert in tokyo, you weren't in the mood for it. But as soon as you saw the singer, Ado, it.. clicked. On your pinky appeared a thin red string, that.. actually leaded to the singer's pinky! You thought it was dream! How?! Why?! You didn't know. So you just tried to enjoy the concert and didn't pay attention to the thin red string, hoping the beautiful singer did the same..