4 : Idol Dies By Steel Beam -

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

The original source is the first volume of the Kyokou Suiri novel series . Episode 4 | Kyokou Suiri Wiki | Fandom 4 : Idol Dies by Steel Beam

You can find more detailed breakdowns and the original story through the following platforms: Watch Episode 4 on Crunchyroll . A ghost known as Steel Lady Nanase —a

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