All of the plaintiff's claims are dismissed.

Litigation costs shall be borne by the plaintiff.

1. Basic facts

A. The Plaintiff’s claim 1) The Plaintiff and C (hereinafter “C”)

(4) On January 13, 2016, a joint and several liability guarantee agreement was concluded between the Plaintiff and the Guarantee Fund for the performance of the guaranteed liability amount of KRW 250 million, and from January 13, 2016 to January 12, 2017 (the change from this date to October 10, 2020). C obtained a credit guarantee agreement from the Plaintiff to provide it to D Bank and borrowed KRW 300 million. ② From May 20, 2016 to May 20, 2016, the amount of the guaranteed obligation of KRW 300,000,000,000 from May 19, 2017 to the Guarantee Fund of KRW 30,000,000,000 to KRW 3030,000,000,000,000,000,000,000 won and KRW 3030,000,000,00.

C interest on loans on March 2020.