"Because This Is My First Life" is a South Korean television series that aired in 2017. The story revolves around Nam Se-Hee, a 30-something man who owns a house but struggles with his personal life. He enters a contract marriage with Yoon Ji-Ho, a woman in her 30s who is searching for stability and a place to live. The series explores themes of love, societal expectations, and the challenges of adulthood. As the characters navigate their unconventional relationship, they learn about themselves and each other, ultimately questioning what it means to truly live and love.