Cha Hyun-soo is a fictional character from the South Korean television series Sweet Home. He is portrayed as a high school student who faces a life-altering crisis when humanity is threatened by monstrous creatures. Throughout the series, he struggles with his fears and insecurities while trying to survive in a world filled with danger. As the story progresses, Cha Hyun-soo discovers his own inner strength and resilience. He becomes a key figure among the survivors, showcasing his growth and determination to protect those he cares about. His character represents the themes of hope and courage in the face of adversity.