Since no film exists with that exact English title, we have identified from 2015 that fit "female war" + "nasty deal."
Below is an academic-style paper analyzing the film, its themes, and its place in Korean independent cinema.
Unlike mainstream dramas, the film is described as "gritty" and "thought-provoking". It uses the contrast between the beauty of Ha-rim's lost art and the "nasty" reality of the deal to emphasize the tragedy. Main Cast Actor Character Description Kim Sun-young Sun-yeong (Eun-hye) The devoted wife who makes the sacrifice. Dong Bang-woo The terminal cancer patient who proposes the deal. Lee Se-chang The blind painter. Female War: A Nasty Deal (2015) - Cast & Crew - TMDB