In the heart of South Korea in 2024, Na Kang-in wakes up. He doesn’t remember who he is or where this place is, but through the combat support AI embedded in his body, Jeon Ji-in, he learns that he was part of the Earth Federation Army in 2082. To recover his memories and figure out why he’s here, he must gather information…

Na Kang-in’s chaotic journey of adapting to Earth begins, with nothing in hand but a wide range of skills!