All appeals against the principal lawsuit and counterclaim by the Plaintiff (Counterclaim Defendant) and the counterclaim by the Defendant (Counterclaim Plaintiff) are filed.

1. The grounds for appeal by the Plaintiff and the Defendant, which cited the judgment of the court of first instance, are not significantly different from the allegations in the court of first instance, except for the allegations that both the Plaintiff and the Defendant added, and the evidence submitted in the court of first instance, considered the evidence No. 18 submitted in the court of first instance as the evidence No. 18, and thus, the

Therefore, this court's reasoning is as follows, except for the addition of "2. Additional Judgment" as to the argument that the plaintiff and the defendant stressed or added in this court, and therefore, this court's reasoning is cited by the main text of Article 420 of the Civil Procedure Act.

2. Additional determination

A. On November 14, 2017, the Plaintiff asserted that the instant lease agreement was lawfully terminated on December 7, 2017, and the Defendant had the obligation to pay the Plaintiff the remainder of the lease deposit KRW 30 million, and the remainder of KRW 150,000,000, which was overdue, after deducting the Plaintiff from the remainder of the lease deposit, from November 7, 2017. As long as the Plaintiff explicitly stated the Defendant’s intention to refuse to pay the lease deposit upon the instant notice sent to the Defendant on December 4, 2017, the instant lease agreement was lawfully terminated on or around December 7, 2017, and the Defendant had the obligation to pay the Plaintiff the remainder of KRW 150,00,00,000, after deducting the remainder of the lease deposit KRW 8,500,000 from the remainder of the lease deposit.

According to the Defendant’s written notification (No. 2-1) dated November 14, 2017 and the Plaintiff’s mother’s joint signature (No. 2-3, hereinafter “instant joint signature”) each of the following: (a) the Defendant was signed on the instant joint signature to urge the Plaintiff to pay the remainder of the lease deposit by December 7, 2017; and (b) the Plaintiff was in arrears to have paid the remainder of the lease deposit by November 8, 2017.