Within the community, the series is often cited as a definitive example of the "revenge hypnosis" genre. While the content is extreme and not suitable for general audiences, it is recognized for executing its specific premise effectively, delivering on the fantasy of karmic retribution through supernatural means.
Ijirare: Fukushuu Saimin – A Deep Dive into the Psychological Thriller Series
Based on the keywords provided, you are referring to the Japanese adult animation (hentai) titled (often translated as Bullying: Revenge Hypnosis or Tormenting: Revenge ).