A transmigration novel was a story where the protagonist traveled to another world after being born and became the protagonist of that world, experiencing various adventures and challenges in this world. Fetal transmigration novels often involved time-travel, soul transmigration, and otherworldly adventures. The protagonist usually had dual or multiple identities, playing different roles in different worlds and experiencing various thrilling plots. The main characters of some novels about reincarnation would usually experience various setbacks and difficulties, but through continuous efforts and searching, they would eventually overcome all difficulties and become heroes in that world. Fetal novels were a type of literature that was deeply loved by readers. They had profound thoughts and cultural implications that could stimulate the reader's imagination and creativity.