Transmigrate to Ancient Times and Keep the Books

High-energy physicist Lin Yanjiang restarts an accident-stricken particle accelerator in search of his missing lover and younger sister, only to transmigrate by accident to another world divided among ten rival states. He lands straight in a death-row prison. He records geniuses in a ledger, and a contest of hearts and a struggle for the realm have only just begun from the start. (This story was partially assisted by AI and primarily written by a human. Any resemblance is purely coincidental.)