Nippon Sport Science University (日体大) volleyball team has faced demotion following allegations of sign-stealing, according to a Japanese sports headline. The team apparently decoded enemy signals to gain an unfair advantage, breaching the strict ethical code governing Japanese sports. The timing, the investigating body, and the consequences of the demotion are presently not specified.

Sign-stealing controversies have rocked other sports in Japan before. Like in major leagues worldwide, this is seen as a major breach of sportsmanship. The Japanese public tends to view such cases harshly, and there are typically severe consequences from governing bodies.

In comparison, the US and EU also uphold the principle of fair play in sports. Similar violations have led to serious consequences. However, public reaction varies more widely, and governing bodies sometimes face criticism for their handling of such cases.