Deep in the old alley of "Yunze City" where mist floats all year round, there is a second-hand bookstore called "Kirigakure Shoden". The owner, Shen Yanzhi, is a 27-year-old young man with a Buddhist temperament, but he hides a secret - he can perceive the "memory fragments" hidden in ancient books through the "ink light patterns" on his fingertips: when he touches the thread-bound poetry collection of the Qing Dynasty, a picture of "a scholar writing poetry under an oil lamp, with snow falling on the branches outside the window" appears; a notebook from the Republic of China will softly "tell" its owner at that time The story of "Carrying it on my back to escape during the war, I couldn't bear to lose a page." But no one believed in this ability. The study was so deserted that Uncle Li from the teahouse next door joked: "Xiao Shen, if there are no guests in your study, you will have to sell tea leaves mixed with rice."
Su Qinghuan, who comes from the "ancient book world", is a "memory seeker" who can control the "ancient book light thread". The world of ancient books has been flooded with "memory fog". The memories of countless ancient books have been swallowed up, and residents have gradually forgotten the past. She chased the fragments of the Eclipse Mist to Yunze City, but found that the "ink light pattern" in Kirigakure's study could stabilize the light threads of her ancient books. One foggy morning, Su Qinghuan rushed into the study to hide in the "Eclipse Hunter" with a shimmering ancient book from the Qing Dynasty, knocking over the pile of ancient books that Shen Yanzhi had just sorted. Before Shen Yanzhi could complain, "Can you be careful, you cosplay girl?", She saw the ancient book light thread on her fingertips wrapped around the Qing Dynasty ancient book, and the pages of the book were actually
