A. Defendant B’s prearranged Residents’ Council (hereinafter “Defendant Council”) is a consultative body comprised of prospective occupants to move into the D-B Apartment apartment (hereinafter “instant apartment”). Defendant C is a person elected as the representative of the consultative body around August 23, 2016.

1. The Defendant Council shall request the Plaintiff to advertise for the promotion of car page publicity.

2. The Plaintiff’s act on behalf of the resident public relations campaigns by not later than 5 p.m. on the first day of the inspection day, such as banner, leaflet, newspaper advertisement, etc.

3. The plaintiff is limited to an enterprise which entered into a contract with the plaintiff with the advertising advertisement of carpets.

4.The term of validity of the above agreement shall be five p.m. on the first day of the inspection date of the apartment in this case.

5. The number of enterprises shall be restricted to 40, before and after 40.

B. On December 5, 2016, the Plaintiff entered into the following business agreements with the Defendant Council:

(hereinafter “instant contract”). C.

Under the instant contract, the Plaintiff posted an advertisement by putting up a banner, distributed leaflets, inserted papers, and engaged in online advertising activities through tables, etc.

The Plaintiff entered into a contract with 35 companies related to the Plaintiff and the online car page operated by the Defendant Council (hereinafter “instant car page”). From February 2017, the Defendant Council published the said 35 companies’ advertisement in the instant car page advertising column.

E. The pre-inspection date of the instant apartment was scheduled as a policeman on May 2017, but the Defendant Council deleted the advertisement of the companies contracted with the Plaintiff from the instant car page around April 2017.

[Ground of Recognition] Facts without dispute, Gap evidence 1 through 9, 11 through 15 (including each number, if any) and the purport of the whole pleadings

2. The parties' assertion

A. The Plaintiff’s assertion unilaterally reversed the instant contract, and the contract execution is impossible after the date of the pre-inspection of the apartment of this case.