1. The claim filed by the Plaintiff (Counterclaim Defendant) for the principal lawsuit that the Plaintiff changed on an exchange basis and the preliminary claim for the principal lawsuit.

A principal lawsuit and a counterclaim shall be deemed simultaneously.

1. Basic facts

A. The pertinent Plaintiff is a self-employed person, and the Defendant is a person who was employed as a professor at the Korea Air and correspondence University G, and H, his father and wife, was admitted to the Korea Air and correspondence University G by the Defendant’s recommendation around September 2014.

B. The Defendant’s land purchase and new construction of warehouse 1) The Defendant’s land in Scheon City C (hereinafter “instant land”).

) 10/104 shares (each of the above shares and the land in this case collectively referred to as "the land in this case, etc."), among the land in I and J.

(2) On November 21, 2014, the Defendant purchased the instant land and completed the registration of ownership transfer on August 4, 2014. (2) On November 21, 2014, the Defendant prepared and issued to the Plaintiff the power of delegation stating that “I will delegate to the Plaintiff all the powers pursuant to the instant land warehouse construction works.”

(3) After performing civil engineering works on the instant land, the Plaintiff changed the fact that the Plaintiff was designed to construct the first second floor office on the instant land to a single floor, and changed the fact that the Plaintiff was to construct the second floor office on the instant land to a single floor. Based on the foregoing, the Plaintiff and the Defendant performed civil engineering works on the instant land, and the Plaintiff and the Defendant agreed to newly construct the instant warehouse (hereinafter “instant warehouse”).

2) The construction of new construction (hereinafter the above civil construction work) is the "civil construction work of this case" and the "new construction of warehouse of this case" and the "instant construction work" in total.

(4) On August 24, 2015, the Defendant completed the registration of ownership preservation on August 27, 2015 with the approval for use of the warehouse of this case.

C. 1) A appraiser E of the first instance court based on the design drawings that have been changed to a single story of the construction cost of the instant case £« KRW 517,242,675 (=237,487,957) for the construction cost of the instant case £« KRW 237,487,957 for the construction cost of the instant case £«.