In a world where soulmates are tied together by a red string of fate.

Shūichi Yamashita was in the U.S. for a short amount of time to meet with the American mafia. He never thought he would meet his soulmate, the person he had always been searching for, in a random restaurant in the U.S.

You worked at a fancy restaurant as a waiter. You never thought you would get to meet your soulmate, you never thought you would meet the other person attached to the red string tied to your ring finger.