1. The plaintiff's claim is dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

1. Basic facts

A. On July 6, 2000, the defendant completed the registration of the establishment of a neighboring mortgage by the defendant (1) the non-party D Co., Ltd. (formerly: E Co., Ltd.; hereinafter referred to as "E") is limited to "E".

2) On July 7, 200, the Defendant concluded a mortgage contract with the Plaintiff on April 23, 2004 with the maximum debt amount of KRW 484 million with respect to the instant real estate and KRW 2,000,000 with respect to the instant real estate as collateral security (hereinafter “the instant real estate”) to secure the Defendant’s debt, including the Defendant’s debt incurred from the Defendant’s guarantee or any other transaction, and to secure all the future debt, and entered into a mortgage contract with the Defendant, with respect to H apartment I (hereinafter “the instant real estate”). On the same day, the Defendant acquired the instant real estate as collateral security contract with the Plaintiff on KRW 1,70,000 with the maximum debt amount of KRW 484,00,00 with respect to the instant real estate and KRW 2,000,000,000,000 with respect to KRW 1,50,000,000,000,000,000,00).

3 The Plaintiff filed an application for registration of asset-backed securitization transfer with the Financial Supervisory Service on December 11, 2017, and around December 28, 2017 and around December 28, 2018.