Xing Lichen: Even if you forget me, our relationship is unforgettable, and you will still fall in love with me again. Riemann: When I find our past, our love, and we have loved each other, we will never let you down. Gu Cheng: I love you with the humblest and ugliest feelings, but I have no regrets, because you are the only light in the darkness.
Concept: Suspense romance