1. All appeals filed by the Plaintiff (Counterclaim Defendant) against the principal lawsuit and counterclaim are dismissed.

2. The costs of appeal shall be principal lawsuit and counterclaim.

1. The reasons for the acceptance of the judgment of the court of first instance are as follows, except for the addition of the following "2. Additional Judgment" as to the allegations added by the plaintiff in this court, and therefore, they are quoted in accordance with the main sentence of Article 420 of the Civil Procedure Act.

2. Additional determination

A. As to the claim of this case, the Plaintiff asserted that the Defendant shall pay the Plaintiff the additional construction cost of KRW 15 million due to the Defendant’s change of the window heading from LG heading (third windows), ② the construction cost of the agricultural electrical construction and the home heading system of KRW 6.5 million, ③ the total of KRW 2,3.6 million (= KRW 15 million, KRW 6.5 million, KRW 2.1 million), and that the Defendant shall pay the Plaintiff the additional construction cost of KRW 23.6 million and the delay damages therefrom (the Plaintiff claims KRW 1,134,00,000, KRW 1,1344,00 and KRW 9,000,000,000 for each entrance change of the entrance heading and boiler room of the first instance court, but each of the above parts was alleged in the first instance court.

2) However, there is no evidence to acknowledge the Plaintiff’s above assertion.

The plaintiff's above assertion is without merit.

B. 1) As to the counterclaim claim, the plaintiff asserted that he denies his responsibility for the counter-claim, and the defect of the construction of this case occurred due to the fact that D Co., Ltd., which was awarded a contract for the construction of the construction of the construction of the construction of the construction of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building of the building

3. The judgment of the court of first instance is justifiable, and all appeals against the plaintiff's principal lawsuit and counterclaim are dismissed as it is without merit. It is so decided as per Disposition.