The original source is the first volume of the Kyokou Suiri novel series . Episode 4 | Kyokou Suiri Wiki | Fandom
A ghost known as Steel Lady Nanase —a faceless woman wielding a massive steel beam—begins appearing in Makurasaka City. 4 : Idol Dies by Steel Beam
Karin was found dead at a construction site, her face completely pulverized by fallen steel beams after a severe storm. The original source is the first volume of
While officially ruled an accident, the brutal nature of her death and her disgraced reputation fueled an internet urban legend. 4 : Idol Dies by Steel Beam