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

2. The costs of lawsuit shall be.

1. Basic facts

A. On December 18, 2006, the Plaintiff and the Defendant concluded a lease agreement with respect to the first and fifth floors of the Daegu-gu C building owned by the Plaintiff (hereinafter collectively referred to as the “instant building”), setting the deposit amount of KRW 150 million per month, KRW 6 million per month of rent (including value-added tax), and from March 1, 2007 to February 28, 2012 during the lease period (hereinafter referred to as “the initial lease agreement”), and thereafter, the Defendant operated the hospital in the instant building by setting the deposit amount of KRW 150 million.

B. The Plaintiff and the Defendant entered into an initial lease agreement and agreed that “(i) to restore to its original state upon the expiration of the lease term, and (8) to remove internal and external signboards on the first floor and the fifth floor shall be held responsible by the lessor, and (ii) to adjust the rent at the time when the lease term becomes three years (within five years).”

C. On February 28, 2010, the Plaintiff and the Defendant increased the rent to KRW 8 million per month (including value-added tax) according to the terms and conditions of the initial lease agreement. D.

On February 28, 2015, the date of expiration stipulated in the original lease agreement, the Defendant delivered the five floors of the instant building to the Plaintiff, and concluded a lease agreement again (hereinafter referred to as “a modified lease agreement”) with the Plaintiff on May 16, 2015, setting the deposit amount of KRW 180 million for the first floor among the instant building and the Plaintiff, KRW 7 million per month for rent (including value-added tax), and the lease term of KRW 7 million from May 30, 2015 to May 30, 2017.

E. In concluding a modified lease agreement, the Plaintiff and the Defendant agreed to the effect that “(i) restoration to the inside and outside of the building upon the expiration of the lease term shall be restored to the original state upon the expiration of the lease term, and ⑤ the lessee shall restore to the original state

F. Upon the Plaintiff’s request for restitution of the fifth floor of the instant building from March 2015 to May 201 of the same year, the Defendant carried out electrical construction by bringing KRW 6,875,00 into KRW 6,710,00, and bringing KRW 2,354,00, respectively.