1. The judgment of the court of first instance is modified as follows.

The Defendant-Counterclaim Plaintiff (Counterclaim Defendant) is KRW 165,235,630.

A principal lawsuit and counterclaim shall also be deemed a principal lawsuit and counterclaim.

1. The reasoning for the judgment of the court on this part of the basic facts is as follows: “The tax invoice shall be issued” under the 7th 7th th th th th 6th e below the judgment of the court of the first instance; “The contract (II) amendment agreement between the Plaintiff and the Defendant on August 31, 2015 (hereinafter “instant contract for construction works”) and the agreement (hereinafter “instant agreement”) were prepared.” The “the Plaintiff and the Defendant shall be deemed to be the contract amendment agreement on August 31, 2015 (hereinafter “the second th eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth eth.)”.

2. Determination on the main claim

A. Claim 1) The main point of the Plaintiff’s assertion is as follows: (a) the adjustment of the contract amount due to the modification of the design, price fluctuation, or other changes in the terms of the contract for the instant construction project.