When Andrew lost his twin brother, his life took a different path. The mystery that surrounded his brother's death leaves him to meticulously question the people surrounding him. His acquired cynicism leaves his social life shattered into pieces. Not only that, he lost his ability to recognize faces, and gained something else. He gained the ability to see the colour of people's intentions and emotions through their voice, which furthers his cynicism even more.

On his way to his college campus, a pure chance encounter with a girl whose voice was pure white gave him a hope in people's words. It was a sudden tug at what would be a story of a red string that connects the two.