In the 2026 New Year theater scene, the film "Heartman," which delivers cheerful energy and laughter, is receiving praise with Kwon Sang-woo and Kim Seo-hun starring. The film is directed by Choi Won-seop, distributed by Lotte Entertainment, and produced by Movielock and Like M Company.

In the movie "Heartman," Seung-min, played by Kwon Sang-woo, is a character who holds an unspeakable secret. The identity of this secret is So-young, portrayed by Kim Seo-hun, who is Seung-min's daughter and brings unpredictable waves to his daily life. The father-daughter relationship between these two is a core element of the film, responsible for both rhythm and laughter.

Kim Seo-hun exudes various charms as So-young. As seen in the still images, she shows confident energy with a bright smile and clear eyes. Her expressions, which mix playfulness and competitiveness, calm gazes, and subtle emotional expressions, possess a depth rarely seen in young children. Through So-young, Kim Seo-hun convincingly builds the timing of laughter and emotional depth, enhancing the film's completeness through her chemistry with Kwon Sang-woo.

Audience members have responded positively to Kim Seo-hun's performance. One viewer said, "The child actor So-young was so funny, I really enjoyed it," while another commented, "It was a really fun movie after a long time. It had both emotion and entertainment." Another viewer mentioned, "Moon Chae-won was legendary, and So-young was so cute." Additionally, there were opinions such as, "A child actor leads, and reliable masters complete it."

Kim Seo-hun's concentration and sense of timing are at a level hard to believe for a child actor. She left a strong impression on the audience and is raising expectations for her future career.

The film "Heartman" tells the story of Seung-min, a man who returns and struggles not to lose his first love whom he meets again. However, in the process, Seung-min holds an unspeakable secret, which leads to comedic situations that form the main plot.

Currently, "Heartman" is being screened nationwide in theaters to great acclaim. Audiences are experiencing both laughter and emotion through this film, and the outstanding acting skills of Kwon Sang-woo and Kim Seo-hun further enhance its appeal.