This film matches the "18" and "2024" part of your query. It is a romantic drama about a man looking back on a promise he made 18 years prior. Greg Han Hsu and Kaya Kiyohara.
If you are looking for high-profile 2024 Korean movies, these were the most searched: 18 the widows counterattack 2024 korean movie hot
A man in his 30s travels to Japan to find his first love from 18 years ago. Vibe: Emotional, nostalgic, and scenic. Source: Wikipedia 2. Widows' War (2024) This film matches the "18" and "2024" part of your query
: A supernatural horror-thriller that was the biggest box office hit of the year. : A historical war action film released on Love in the Big City : A comedy-drama starring Kim Go-eun Further Exploration If you are looking for high-profile 2024 Korean
The climax takes place at a high-end charity gala hosted by the final target—the Chairman of the Gold Circle. Ji-soo infiltrates the event. In a tense, visceral sequence involving a mix of improvised weaponry and hand-to-hand combat, she fights her way through the Chairman's security.