This document provides information about the 2022 Korean drama "The 20th Century Girl". It introduces the main characters of Na Bo-Ra, Kim Yeon-Du, Baek Hyun-jin, and Poong Woon-ho. The plot revolves around two best friends, Bo-Ra and Yeon-Du, who unknowingly fall for the same guy, Hyun-Jin. It also provides more details about the cast and their characters, and discusses why the author was emotionally moved by certain scenes in the drama.