The Sands of Oblivion

In a fog-shrouded city stands Fusheng Ruomeng, a memory auction house with a thousand-year history. People can pawn their memories for wealth or bid on other people's memories and experience entirely different lives. However, every transaction is bound by the Memory Covenant: once pawned, a memory can never be reclaimed. That is, until the heroine Lin Wan appears and breaks this ironclad rule.