1. The lawsuit of this case and the lawsuit of this case of this case of plaintiffs C on 117, except the plaintiffs as stated in paragraph 2 of this case.

1. Basic facts

A. On December 26, 2013, the Defendant entered into a sale-type land trust agreement with AG Co., Ltd. (hereinafter “AG”), and the Defendant entrusted AG land to AG and constructed an urban-type residential house, neighborhood living facilities, officetels, etc. (hereinafter “instant building”) on the said land by trusting AG land.

B. The Defendant contracted the construction of the building of this case to the Intervenor joining the Defendant for the new construction of the building of this case (hereinafter “instant construction”). AG performed the sale of the building of this case. Accordingly, the Plaintiffs entered into an urban living housing, neighborhood living facilities or officetels supply contract with the Defendant, the truster, and the Intervenor joining the Defendant, the Si Corporation, as trust company, concerning each of the contracts of this case, with the seller, and received the sale of urban residential housing, neighborhood living facilities or officetels.

C. The Plaintiffs entered into an urban-type residential house, neighborhood living facility, or officetel supply contract with the Plaintiffs, etc. stipulates that the scheduled date of completion and occupancy is July 2017. However, the Defendant’s Intervenor, the Defendant, and the AG sent to the Plaintiffs a notice to inform the Plaintiffs again on September 29, 2017 that the scheduled date of occupancy was extended on or around July 10, 2017, and the accurate occupancy date was August 2017. On September 14, 2017, the designation period of occupancy was determined and notified to the Plaintiffs from October 20, 2017 to December 3, 2017. In fact, the approval for use of the instant building was made on or around October 26, 2017.

The provisions related to this case in the contract for the supply of urban residential housing and officetels concluded by the plaintiffs with AG and the defendant (hereinafter “instant sales contract”) are as follows:

Article 2 (Cancellation of Contracts) (2) "B" (referring to the plaintiffs as a buyer; hereinafter the same shall apply in the attached Form) is a seller of "A".