There were many transmigration novels with a cold male protagonist, such as Back to the Past and Become a Cat and Time Travel and Anti-Time Travel. Back to the Past and Becoming a Cat was about the adventures of a modern girl who accidentally traveled to ancient times and became a cat. The male protagonist's character was very cold and did not have any enthusiasm for anything. However, there were some secrets hidden deep in his heart. As the story developed, these secrets gradually surfaced.