Thundercloud Rainstorm (2025 Korean Drama) - Season 1 - Episode 6

Following his father's funeral, illegitimate son Lee Il Jo is abused by his half-brother and seeks refuge with his cousin, Seo Jeong Han. After Jeong Han pays Il Jo's hospital bills, he demands repayment "with his body," leading to a cohabitation contract. What begins as an arrangement of debt and dependence spirals into an intense, possessive, and emotionally charged romance as Jeong Han becomes obsessed with Il Jo's innocence.