The plaintiff (Counterclaim defendant)'s main claim and the defendant (Counterclaim plaintiff)'s counterclaim are dismissed.

A principal lawsuit and a counterclaim shall be deemed simultaneously.

1. Basic facts

A. The Plaintiffs are the former owners who held 4,642 square meters of G factory site in Yongsan-gu, Busan-gu (hereinafter “the instant land”) and 1/2 shares of the building on the ground thereof, both of which have concluded a sales contract with the Defendants on the said real estate, and Defendant E Co., Ltd. (hereinafter “Defendant Co., Ltd”) operated by the Defendants C and D (hereinafter “Defendant Co., Ltd”) are companies engaging in the secondary product manufacturing business of concrete secondary products, such as bricks.

B. On June 23, 2004, the plaintiffs acquired ownership and changed the structure of the building. (1) On June 23, 2004, the plaintiffs owned the land of this case and two studio-story factories (hereinafter "the previous buildings of this case"), and the land of this case and the previous buildings are combined with "each previous real estate of this case".

(2) On the same day, when the Plaintiffs acquired ownership of the previous building of this case, the previous building of this case (1,989.84m2) was divided into two parts of a wastewater tank, wastewater treatment plant, and warehouse (873m2) and a factory, a factory, a laboratory, a laboratory, and a boiler room (1,116.72m2m2). However, the Plaintiffs removed part of the previous building of this case around July 2004, and completed the registration of ownership transfer under the names of the Plaintiffs. The building of this case and the land of this case were newly constructed a new building (hereinafter referred to as “each of the instant real estate”).

3) As a result, the previous building of this case was changed from 1,989.84m2 to 2,005m2 in the previous steel structure steke roof steke roof factory to 1,989m2,05m2. As such, in the process of constructing a new building following the new building, part of the building of this case was invaded upon the maintenance of sight (the building of this case, other than the building of this case, was invaded upon the maintenance of sight in the vicinity of the building of this case.