Whichever you choose, curiosity is the point.
The story is a dark, non-canon fan work that reimagines a scenario where Giyu Tomioka, the Water Hashira, is punished by the Demon Slayer Corps for his decision to spare Nezuko Kamado.
Upd note: In episode 19 (the famous fire dance scene), a single beetle flies past Tanjirō’s ear – frame by frame, some fans identified it as a Tamamushi species. Coincidence? Possibly. But curiosos don’t believe in coincidence.
To understand the hype, one must first deconstruct the nomenclature. The phrase is composed of three distinct Japanese terms that paint a vivid picture.
from Demon Slayer . In this context, "insects" refers to the disturbing content of the comic rather than biological facts.
Below is a blog post designed for curious readers who may have heard the name and want to understand both the surrounding it and the real-world insect it is named after.