Jack, a typical seventeen-year-old student, led a mundane life filled with late-night study sessions and aspirations for a stable job. However, his ordinary routine takes an extraordinary turn when he and his entire class are inexplicably transported to a fantastical realm.

Separated from his classmates, Jack undergoes an unexpected transformation into a girl due to a bewildering system. Stranded in an unfamiliar forest with no clear destination, Jack must navigate the challenges of this new reality and focus on finding a way to survive.