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Xuan Ying, he is an ordinary high school student. In an accident, he fell into the abyss and came to the closest place to the center of the earth, the Valley of the Earth's Center. Here, he met two people, one was Cang Qingyu and the other was Xiang Xuewu. The three of them fell in love with each other and became sworn brothers. From then on, they started practicing in the Valley of the Earth's Core. \T\t

They are six sisters with different identities. Although they have different origins, they are brothers and sisters. Their families have their own pain, but the pain will be healed one day. They are strong, independent, perverse, and rebellious. They are young and passionate. For their dreams, their youth, and the joy of music, they stepped onto the stage and made a group of friends who love music and life as much as they do...