Melting Heart (2025) is a Korean drama with elements of romance, fantasy, and mystery. The story follows Kang Shin-Woo, a math teacher who still holds feelings for his first love, Han Ji-Soo, even after 10 years. Due to a mysterious accident, he is transported back in time to his high school years, where he meets his younger self. Determined to change the past, Shin-Woo tries to help his younger version succeed in love. The series explores themes of fate, second chances, and self-discovery.