All of the plaintiffs' claims are dismissed.

The costs of lawsuit shall be borne by the plaintiffs.

1. Basic facts

A. The defendant is a regional housing association established for the purpose of redevelopment of the D Day in Gwangju Mine-gu, and newly constructed and sold the C's apartment and neighborhood living facilities (hereinafter the "instant neighborhood living facilities"), and the plaintiffs are the persons who purchased the instant neighborhood living facilities from the defendant.

B. 1) On December 7, 2018, the Defendant entered into a sales contract with the Plaintiff on the sales price of KRW 244,900,000 for the instant neighborhood living facilities E, and on December 7, 2018, the sales price of the instant neighborhood living facilities F is KRW 266,90,000 for each of the instant neighborhood living facilities supply contracts (hereinafter “instant contract”) with the Plaintiff B on December 7, 2018.

The contract of this case was concluded. The main contents of the contract of this case are as follows: (a) around December 2019: (b) around December 2019, the seller, “A,” “B,” and “B,” and “B,” refers to the seller’s “A”, “B,” and “B,” and (c) the supply contract is concluded as follows. The remainder of Article 1(3) shall be paid by the end date (where the scheduled date for occupancy is reduced, before the due date for occupancy) designated by “A” (where the planned date for occupancy is reduced, before the due date for occupancy). In this case, the sale date of the indicated property may be reduced according to the progress of the construction. In this case, “A” shall notify the changed fixed period for occupancy, and “B shall not pay the intermediate payment and balance that have yet to elapse within the modified designated period for occupancy (where the relocated date for occupancy within the due date for occupancy, before the due date for sale). In this case, “A” may not apply in advance.