I Love You in Shixu

Before Gu Yan died, he transformed the regrets of his life into special energy and hid it in the aurora stone he cultivated by himself. When Gu Yan's life completely dissipated, the mysterious crystal suddenly fissured, throwing her into four parallel dimensions of time and space. This world will eventually prove that in Hilbert space, love is the only eternal law that can resist the increase of entropy.