4 : Idol Dies By — Steel Beam

The original source is the first volume of the Kyokou Suiri novel series . Episode 4 | Kyokou Suiri Wiki | Fandom

Protagonist Kotoko Iwanaga and police officer Saki Yumihara team up to investigate Karin's past to find a way to defeat the "ghost," which is actually a "monster of imagination" created by the collective will of people on the internet. Where to Watch or Read 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

A ghost known as Steel Lady Nanase —a faceless woman wielding a massive steel beam—begins appearing in Makurasaka City. A ghost known as Steel Lady Nanase —a

The title refers to the fourth episode of the anime series In/Spectre (Kyokou Suiri). It is a central plot point in the "Steel Lady Nanase" arc, involving the mysterious death of a pop idol and the subsequent urban legend that arises from it. Summary of the "Idol Dies by Steel Beam" Case