A. On June 26, 2001, the Defendant received the approval of the business plan under Article 33 of the former Housing Construction Promotion Act (amended by Act No. 6655 of Feb. 4, 2002) and Article 32 of the Enforcement Decree of the same Act (amended by Presidential Decree No. 17816 of Dec. 26, 2002), and decided to construct 14 802 o apartment units, a public rental house, on the land of 30,963 square meters of land in Bapo-si, Mapo-si, Mapo-si, Mapo-si, Mapo-si, Mapo-si, Mapo-si, Mapo-si, Mapo-si (hereinafter “N apartment”), and announced to publish on November 28, 20

B. After that, the defendant entered into a lease contract with the winner upon receiving an application for occupancy according to the above public announcement of invitation. Among them, the contract details with the plaintiffs are as listed below.

(hereinafter referred to as “rental housing” as indicated in the table below. On the other hand, lease deposit for each of the instant rental housing has increased annually. The lease deposit for each of the instant rental housing is as listed in the table “Deposit” column in the annexed Table 1.

(hereinafter referred to as "each of the lease deposits in this case") Nos. 104, 503, 104, 105, 1105, 104, 104, 105 on August 21, 2007, No. 104, 1005, 308, 305, 108, 308, 602, 108, 602, 108, 603, 603, 104, 201, 105, 201, 305, 201, 106, 106, 104, 602, 108, 603, 108, 603, 105, 201, 201, 305, 10, 201, 305, 10, 2015.

The defendant completed the new construction of the N apartment and completed the registration of ownership preservation on or around August 28, 2003 on the whole apartment, and provided the whole apartment as joint security for the National Housing Fund on the same day, thereby providing the whole apartment as joint security for the National Housing Fund (hereinafter “National Bank”).