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.
You can find more detailed breakdowns and the original story through the following platforms: Watch Episode 4 on Crunchyroll . 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 Karin was found dead at a construction site,
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 Episode 4 | Kyokou Suiri Wiki | Fandom
The story is covered in the early volumes of the manga, available on Kodansha's K MANGA platform .
A ghost known as Steel Lady Nanase —a faceless woman wielding a massive steel beam—begins appearing in Makurasaka City.
While officially ruled an accident, the brutal nature of her death and her disgraced reputation fueled an internet urban legend.

