1. The plaintiff's appeal and the remaining main claim added by this court and the conjunctive claim are all dismissed.

2...

1. Basic facts

A. On November 25, 1911, the net V was registered in the name of the deceased on the land cadastre on December 12, 1924. The deceased on April 4, 1972, the deceased Y was solely inherited to the deceased Y of the deceased Y, the deceased AAA, the deceased, and the deceased Y was respectively inherited to the deceased Z, the deceased Y, the deceased, the deceased, the deceased, and the deceased AB, and the deceased.

① The deceased on March 31, 1995, the deceased co-defendant B, C, D, and E of the first instance court, who is her husband, was succeeded to the deceased on June 9, 201. The deceased on June 9, 2011, the deceased co-defendant B, C, D, and E of the first instance court, each of their children was succeeded to the deceased on June 29, 199, and the deceased co-defendant B, C, D, and E of the deceased on January 29, and the deceased co-defendant F of the first instance court, children, and H (AG) were succeeded to the deceased on January 29, 195, and the deceased co-defendant G, G, and H (AG) were succeeded to the deceased co-defendant G, Q, AI (the husband of the deceased on June 1, 200 and the deceased co-defendants of the first instance court, and the deceased co-defendants of the first instance court and the deceased on March 28, 2018.

B. On August 9, 2003, the Plaintiff entered into a sales contract with the Defendant for the purchase price of KRW 40,000,00 for each of the annexed drawings 12, 9, 2, 3, 8, 16, 14, 13, and 12, among the annexed drawings 12, 9, 2, 3, 8, 14, 13, and 12, among the annexed drawings 420 square meters in Sinsan-si (hereinafter “instant sales contract”). The Plaintiff determined that the down payment of KRW 10,00,000 was paid on the date of the contract, and the remaining amount of KRW 30,000,000 was paid upon the completion of the documents after the partition of the land and transferred ownership.

(c).