Came out when Park was ending The Vengeance Trilogy, so it got overlooked by most. Has some similar themes, I wouldn't doubt it was an influence. Pretty well done, the directorial debut of actress Bang Eun-jin. I would post a plot summary, but I think films are better without expectations. Check it out brehs.
Part One
Part two
Alt One
Alt Two
Alt Three
Alt Four
Part One
Part two
Alt One
Alt Two
Alt Three
Alt Four