1. The plaintiff's appeal is dismissed.

2. The costs of appeal shall be borne by the Plaintiff.

Purport of claim and appeal

The first instance court.

The reasoning of this court's reasoning is that the reasoning of the judgment of the court of first instance is the same as that of the judgment of the court of first instance, except for adding Gap evidence Nos. 11 through 13 (including paper numbers) and witness B's testimony, which are insufficient to reverse the judgment that the defendant returned the security of this case to the plaintiff. Thus, this court shall accept it as it is in accordance with the main sentence of Article 420 of the

Therefore, the judgment of the court of first instance is just and the plaintiff's appeal is dismissed as it is without merit. It is so decided as per Disposition.