Ming Yue has lived in the underworld for a long, long time. No one knows when she existed or how long she existed. All we know is that there is Ming Yue in the underworld.
Zhou Shiqiu, the 180th head of the Zhou family, has a cold personality, but when he meets the woman named Ming Yue, he can't control his violent temper.
Two girls with completely different personalities became friends because of a promise. In the world of the Prince of Tennis, how will their love and friendship be managed?