A. On August 14, 2002, the Defendant obtained approval of the business plan under Article 33 of the former Housing Construction Promotion Act (amended by Act No. 6732 of Aug. 26, 2002) and Article 32 of the Enforcement Decree of the same Act (amended by Presidential Decree No. 17816 of Dec. 26, 2002), and, upon receiving funding from the National Housing Fund, decided to construct 210 households of 2,10 rental houses (hereinafter “L apartment”) which are public construction-based rental houses on the land area of 7,373 square meters outside Gapo-si and Gapo-si. < Amended by Presidential Decree No. 17817, Feb. 28, 2003>

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.

(2) On March 3, 2014, the Plaintiff C, the mother of the deceased, died without marriage, and succeeded to the deceased on April 20, 201. < Amended by Presidential Decree No. 17518, Mar. 3, 2003>

L apartment 201 Dong 803, 4 March 12, 2003 D L apartment 201 Dong 907, March 5, 2003, 201 E L apartment 201 Dong 1008, October 6, 2006, F L apartment 201 Dong 1202, February 7, 2005, G L apartment 202 Dong 1006, August 25, 2009, H L apartment 202 Dong 1401, 201 Dong 1401, March 9, 2003, Jun. 3, 2009.

The defendant completed the L Apartment around September 2004, and completed the registration of preservation of ownership on the whole of the above apartment on September 14, 2004, and provided the whole apartment as joint collateral for the National Housing Fund on the same day.