The defendant's appeal is dismissed.

1. The summary of the grounds for appeal (in fact-finding and misunderstanding of legal principles) is an act that does not go against the social norms since the defendant's act is aimed at fighting between A and C.

2. As to the defendant's assertion, the court below judged that the defendant's act cannot be deemed to be an act that does not go against the social norms in the item "the judgment on the defendant B and the defense counsel's assertion". In light of the records of this case, the court below's aforementioned decision is just and there is no error of law by misunderstanding of facts or misunderstanding of legal principles as argued by the

3. The defendant's appeal is dismissed.