A. The parties to the dispute 1) Plaintiff A is the Gangnam-gu Seoul Metropolitan Government E apartment No. 103 Dong 1603 (hereinafter “instant apartment”).

(2) The Plaintiff B, C, and D are the spouse and children of Plaintiff A, and reside in the said apartment complex with the Plaintiff. 2) Defendant DaS Construction Co., Ltd. (hereinafter “Defendant GaS Construction”) (hereinafter “Defendant GaS Construction”), including the instant apartment, constructed a E apartment with the 5 Dong 708 household size of 708 household units and completed the inspection for use on October 24, 201.

3) Defendant Korea Management Co., Ltd. (hereinafter “Defendant Korea Management”).

(2) On August 22, 2014, the term of contract for common areas of E apartment units and the above apartment units is from November 1, 2014 to October 31, 2017. (b) The apartment units of this case consisting of bedroom 1, bedroom 2, living room, kitchen part, toilet, multi-use room, etc. as follows. On September 22, 2015, the water leakage was commenced for about five (5) days, and the water leakage was again suspended from 0:0 to 13:0,00, to 20,000, and the water leakage was again stopped from 20:0,000 to 25:3,000,000 of the instant apartment units, and the water leakage was again discontinued from 20:0,000,000 to 25:3,000,000 of the instant apartment units.