The world-famous mercenary Mei Ye was betrayed by her most trusted partner during a mission. Before she died, she vowed that if she could live again, she would never trust anyone! Yin Xiyuan, the frail and sickly princess of the Ice Kingdom, was deceived by her sister in the name of practicing. The frightening psychedelic forest was killed by his own sister! After waking up again, she was reborn on the body of the princess of the Ice Kingdom. When modern mercenaries face a world that is completely different from the 21st century, what will happen again? Let’s see how the modern mercenary, Mei Ye, grows step by step in the Mylo Continent, and how she creates myths again and again!