1. The plaintiff's appeal is dismissed.

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

The purport of the claim and appeal is the purport of the appeal.

The reasoning of the court's reasoning in this case is as stated in the reasoning of the judgment of the court of first instance, except where the result of each description or image of Gap evidence Nos. 17 through 21 (including paper numbers), witness C, witness D's testimony, and fact-finding on Sam Young-Tech Co., Ltd., which were additionally presented in the court of first instance, are added to the fact-finding of the court of first instance, or it is insufficient to recognize the plaintiff's assertion. Thus, it is cited as it is in accordance with Article 420 of the Civil Procedure Act.

Therefore, the judgment of the court of first instance is legitimate, and the plaintiff's appeal is dismissed as it is without merit.