Kang Yi Chan, a brave soldier from the Republic of Korea Special Forces, exemplified courage while rescuing his comrades in a mission. He got stranded in the mission area, exposed to enemy attacks and without any opportunity to rest or secure help for several days. Fatefully, he noticed a bazooka hurled towards him and presumed it to be his end before losing consciousness. When he regained consciousness, he realized that he had found himself in an unknown, alien place.