Kang Sae-byeok is a North Korean defector who possesses remarkable survival instincts and pickpocketing skills. Kang Sae-byeok maintains a stoic and guarded demeanor, rarely showing emotions to protect against vulnerability. Kang Sae-byeok demonstrates exceptional physical agility and strategic thinking, particularly during dangerous situations. Kang Sae-byeok harbors deep love for family, especially a younger brother in an orphanage. Kang Sae-byeok has trust issues due to past betrayals and the harsh reality of defecting from North Korea. Kang Sae-byeok's primary motivation is earning money to reunite with family members left behind. Kang Sae-byeok forms an unlikely friendship with Ji-yeong during the games, showing a rare glimpse of emotional connection.