In Assassination Classroom , the money was paid out to Class 3-E after they fulfilled the government’s bounty for killing Koro-sensei, and the manga/anime shows them using it in a practical way rather than just keeping it all as cash.

What they did with it

  • They used some of the money for tuition.
  • They donated some of it.
  • They bought the mountain and their old classroom with one large purchase.
  • They returned the rest to the government as thanks for the support.

Why it matters

The ending treats the reward as a symbol of the students’ growth, not just a prize. Instead of becoming a simple windfall, the money gets folded into their future, their school, and their relationship with the government.

Quick context

The series’ central bounty was originally set at 10 billion yen for killing Koro-sensei, which is why the reward becomes such a big part of the story’s setup. A later summary of the finale also notes that the class ultimately received the money and distributed it in the ways above.