[A] Defendant B requested the Plaintiff, who had operated the real estate brokerage office prior to October 29, 2015, to sell the instant real estate; accordingly, the Plaintiff was punished for brokerage activities, such as introducing the instant real estate to the intersection, etc., and the fact that Defendant C, on October 29, 2015, disclosed the Plaintiff’s intent to purchase the instant real estate by telephone, thereby making efforts to mediate the instant real estate is not disputed between the parties or recognized by the statements in the evidence Nos. 3 and 4.

After that, the Plaintiff: (a) provided several occasions between October 30, 2015 and November 14, 2015, the Plaintiff: (b) provided a compromise between Defendant C and the purchase price of the instant real estate by telephone contact; (c) on the other hand, Defendant B, who was the seller, offered the instant real estate at the first price of KRW 1.5 billion, but was reduced to KRW 1.47 billion by price reduction; (d) provided that the Plaintiff would not be able to purchase the instant real estate at the first price reduction to KRW 1.5 billion; and (e) provided that the Plaintiff would not be able to purchase the instant real estate at the price reduction to KRW 1.5 billion from the telephone call on November 17, 2015 to KRW 1.5 billion; and (e) provided that there was no intention to directly purchase the instant real estate between the Plaintiff and the seller at the price reduction to KRW 1.5 billion between the Plaintiff and the seller at the price reduction to KRW 1.5 billion.