Noryang: Deadly Sea centers on the historical Battle of Noryang and Admiral Yi Sun-sin. Available information and reviews indicate no depiction or discussion of LGBTQ+ characters or themes within the narrative, which is primarily focused on historical warfare.

Noryang: Deadly Sea is a historical war action film centered on the Battle of Noryang. Its narrative focuses on military strategy and historical conflict, with no depiction of transsexual characters or themes. The film's content does not include any representation of the transsexual community.

The film is a historical war drama focused on naval combat during the Imjin War, primarily depicting Admiral Yi Sun-sin and male soldiers. There are no significant female characters shown engaging in direct physical combat against male opponents.

The film is a historical war epic based on real figures and events. The provided information confirms that all main characters' on-screen genders align with their established historical genders, with no deviations.

The film depicts historical figures from Korean, Japanese, and Chinese backgrounds. While Korean actors portray Japanese and Chinese characters, all these groups and their respective actors fall under the broader East Asian racial category. Therefore, no race swap occurs as per the definition's exclusion for ethnic/national shifts within the same race.