The Iron-Wall Beauty of My Department is a Masochist? follows Taeyoung, the top student in her class who fends off the advances of persistent male classmates with an unyielding “iron wall.” Namju, her friend and fellow department mate, watches for any chance to get closer, though Taeyoung remains unreadable. Meanwhile, Woori, Namju’s childhood friend and a repeat exam taker, reveals a shocking secret about Taeyoung that could change everything. The story explores themes of desire, secrecy, and complicated relationships within a competitive academic setting.