[drama-online.tv]3-nen A-gumi.04[hardsub][arabi... May 2026

The class investigates who was responsible for framing the deceased student, Reina Kageyama.

10 days before graduation, teacher Ibuki Hiiragi takes 29 students hostage. [Drama-Online.Tv]3-nen A-gumi.04[Hardsub][Arabi...

"Let's think." (Hiiragi's catchphrase, encouraging students to consider consequences before acting). 🛠️ Where to Watch The class investigates who was responsible for framing

The show is a high-stakes psychological thriller and school mystery. Reina Kageyama. 10 days before graduation

Check platforms like Netflix or Hulu Japan (availability varies by region).