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.

1. The reason why this Court uses this part of the basic facts is the same as that set forth in Paragraph 1 of the judgment of the court of first instance, and thus, they are cited in accordance with Article 420 of the Civil Procedure Act.

2. The plaintiff's assertion and judgment

A. The Plaintiff’s assertion is the executor of the instant sales business, and the Plaintiff bears the duty to perform the civil engineering works, etc. for infrastructure construction and individual households in the instant housing complex, accompanied by the instant sales contract. The Plaintiff also bears the duty stipulated in the special terms and conditions of the instant sales contract.

Nevertheless, the deceased did not perform his/her duty and caused damages to the Plaintiff that he/she would incur while performing the above construction work. Thus, the Defendants, the inheritor of the deceased, are jointly obligated to compensate the Plaintiff for damages of KRW 78,390,000, which is equivalent to the above expenses.

B. Judgment 1) The reason why the court is to use this part of the judgment of the court of first instance as to whether the deceased bears the duty to carry out infrastructure construction, etc. is the same as that of the corresponding part of the judgment of the court of first instance (from No. 4, 11 to No. 18, and No. 5 to No. 6 to No. 18), except that the plaintiff's "the plaintiff" is deemed to be "the plaintiff" as "the plaintiff," and therefore, the corresponding part of the judgment of the court of first instance is cited pursuant to the main sentence of Article 420 of the Civil Procedure Act. 2) The contract of the first sale contract of this case as to whether the deceased bears the duty to enter the special terms in the contract of this case as to whether the seller bears the duty to enter the terms in the contract of first sale contract of this case as to whether the seller "No. 4, 11, 15, and 18" (hereinafter referred to as "the special agreement of this case").

However, in light of the following circumstances, the provision on the part of the special agreement of this case cannot be admitted as evidence, and thus, it cannot be used as evidence, and otherwise, it would be incorporated into the contents of the contract between the Plaintiff and the Deceased.