The plaintiff (Counterclaim defendant) on each real estate listed in the list of real estate in attached Form 1 from the defendant (Counterclaim plaintiff).

A principal lawsuit and a counterclaim shall be deemed simultaneously.

1. Basic facts

A. 1) The Plaintiffs purchased each of the real estate listed in the attached Table 1 (hereinafter “multi-household housing in this case”) from the Defendant (Counterclaim Plaintiff) on December 3, 2019 through F by their agent for KRW 2 billion.2 billion, the down payment of KRW 200 million on the date of the contract and the intermediate payment of KRW 500 million on January 7, 2020, respectively, shall be paid to each of the parties on December 7, 2020, and the remaining amount of KRW 530 million out of KRW 1.355 billion shall be paid to each of the parties on December 3, 2019.

2. 17. The registration procedure for the transfer of ownership is paid at the same time, and the remaining KRW 820 million was agreed to substitute the payment by the Plaintiffs by succeeding to the obligation of KRW 820 million for the lease deposit of the instant multi-household housing (hereinafter “instant housing sales contract”). 2) The Plaintiffs paid the Defendant (Counterclaim Plaintiff) the down payment amount of KRW 200 million on the day of the contract and the intermediate payment of KRW 500 million on January 7, 2020, respectively, according to the above sales contract.

3) On February 17, 2020, Defendant (Counterclaim Plaintiff) delivered to a certified judicial scrivener a registration certificate, etc. necessary for the registration of transfer of ownership of the instant multi-household house on February 17, 2020, which was the date of the remainder payment, but the Plaintiffs did not pay the remainder

B. On December 3, 2019, Plaintiff B purchased real estate listed in the attached Table 2 (hereinafter “instant site”) from Defendant E in the instant multi-family house in the amount of KRW 310,000,000,000 from the date of the instant contract, and Defendant E paid KRW 28,000,000 on February 10, 202, and paid KRW 28,000,000 as of February 10, 202 to the Plaintiff each of the documents necessary for the transfer of ownership until February 17, 2020 (hereinafter “instant housing purchase contract”). The instant housing purchase contract, which is the instant multi-household housing site, shall be valid at the same time when ownership is transferred.

2) The Plaintiff B is a down payment to Defendant E on the day of the contract in accordance with the above sales contract.