1. The plaintiff (Counterclaim defendant)'s appeal is dismissed.

2. The costs of appeal shall be borne by the Plaintiff (Counterclaim Defendant).

purport, purport, and.

1. In the first instance court’s trial scope, the Plaintiff filed a counterclaim, such as the description of the purport of the claim in the principal lawsuit, while the lawsuit in question is pending.

The first instance court dismissed all of the plaintiff's main claim and the defendant's counterclaim, and only the plaintiff appealed against the plaintiff (Dismissal of the main claim).

Therefore, the scope of this court's judgment is limited to the plaintiff's main claim.

2. The reasons why this Court shall state this part of the basic facts are as follows, and the reasons why this Court shall accept this part of the basic facts, including the summary thereof, in accordance with the main sentence of Article 420 of the Civil Procedure Act, since the reasoning of the judgment of the first instance is the same as that of Parts 2, 10, 5, and 11.

Part 5. Part 7 of the letter " was sent by content-certified mail." The letter "as of September 4, 2017, the content-certified mail (hereinafter referred to as "content-certified mail") was sent."

3. Grounds for filing a principal lawsuit by the Plaintiff