Time Travel: the Sound of the Piano Lingers with You Forever

When the emperor married a concubine, she presented the rings originally designed for her and him with both hands, bowed her head and said: Congratulations to the emperor and Concubine Xi on their marriage. At the request of the Empress Dowager, she smiled and played the piano to the emperor and his new concubine, whom she had been in love with for six years. This was the first song she played in this other world, and after that, the song became famous throughout the world. At the wedding, he waved lightly to signal the chamberlain to come forward and take the gift box, but his right hand resting on the dragon chair was tightly clenched into a fist. She turned around and retreated, teasing with the other concubines as if nothing had happened, but ignoring the cool and conflicting gaze. A year later, she wanted to leave the palace because she was unable to continue this heavy longing. But he was obstructed in every possible way. Love? Ruthless?