Prehistoric: Free and Easy

A leisurely, unrestrained, and free day in the ancient world. The protagonist thought that he had traveled to a world without people. All he had to do every day was to write, raise fish, water flowers, and live the life he wanted leisurely. It wasn't until two people broke in and broke his tranquility that he realized that he had traveled to a prehistoric world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.