1. The Defendants shall be jointly and severally liable:

A. The Plaintiff Co., Ltd.: KRW 82,500,000 and its amount are from February 21, 2014.

1. Basic facts

A. The E- District Model Housing Design Service Contract 1) Plaintiff A (hereinafter “Plaintiff A”)

(E) On May 30, 2012, the committee for promotion of the E District Housing Association (hereinafter referred to as the “E Area Promotion Committee”).

) Between the E District F model housing contract (hereinafter referred to as “E District service contract”) for the interior design of E District F model housing;

(C) 5.5 million won (including value-added tax; hereinafter the same shall apply) in entering into a contract;

(2) On January 24, 2013, the Plaintiff agreed to pay 82.5 million won on October 10, 2012. (2) On January 24, 2013, the Plaintiff prepared and delivered two copies of the design under the above service contract to the E region promotion team.

3) Defendant C Co., Ltd. (hereinafter “Defendant C”)

(B) On January 7, 2014, the Plaintiff prepared a payment undertaking (Evidence A 3) stating that “The remainder of design cost shall be paid by February 20, 2014 according to the E-district service agreement, and if delay, the payment shall be made in addition to 24% damages for delay per annum from the day following the payment deadline to the day of complete payment.” The Defendant D District Housing Association Promotion Committee has jointly and severally guaranteed it at the time. (b) On January 7, 2014, Plaintiff A and the Defendants were the “D District service agreement” between the Defendants on January 7, 2014 and the “D District service agreement” for indoor design of the D District in Gwangju City.

(2) In concluding the contract deposit, KRW 11 million was paid as of March 31, 2014, and KRW 77,000,000,000,000 for the remaining four types after full payment of design cost of KRW 88,000 upon completion of design for one type of model 25 square meters. (2) On February 14, 2014, Plaintiff A agreed to proceed with design for the remaining four types. (3) On February 14, 2014, Plaintiff A completed the design plan for one type of model (A) agreed under the above service contract and supplied it to the Defendants.

3. The Defendants: (a) around that time, paid the down payment in the D District service contract to February 28, 2014; (b) the Plaintiff’s status as the contractor from the Plaintiff A to G, an individual company of Plaintiff B.