A. The Plaintiff is a company established for the purpose of manufacturing and selling chemical products.

Defendant B (hereinafter “Defendant Company”) is a company established for the purpose of the manufacture and sales of mobile phone protection films, and D and Defendant C are co-representative directors of Defendant Company.

B. In around the end of 2014, the Plaintiff entered into a contract on the supply of goods using ABG technology from the Defendant Company (a double-face tape that sets strawed glass on the cell phone surface) to produce and supply glass products after receiving a request for the manufacture of cell phone reinforcement glass products.

C. From the end of 2014 to April 6, 2015, the Plaintiff manufactured and supplied the Defendant Company with the principle of strengthening the cell phone.

On February 24, 2015, the Plaintiff concluded a mortgage agreement with the Defendant Company, a mortgagee D, a creditor, and a maximum debt amount of KRW 200 million with respect to the F apartment G located outside two parcels of land, Suwon-gu, Suwon-gu, Suwon-gu, Suwon-si. On March 6, 2015, the Plaintiff completed the registration of the establishment of a mortgage (hereinafter “instant mortgage”).

E. On August 22, 2015, Defendant Company drafted a plan for redemption of outstanding amount to be paid in installments from September 30, 2015 to September 30, 2016 (hereinafter “the first repayment plan”).

The repayment schedule according to the first repayment plan of this case is as follows.

On September 30, 2015. 35, 979, 405, 600, 6005, 605,000, 605,000, 605,000, 3005, 500, 6005, 6005, 306. 606. 06. 00, 3006. 6. 00, 16. 6. 00, 400, 500, 196. 15, 200, 200, 2005, 100, 5, 2000, 5, 300, 200, 5, 300, 5,000, 5,000, 000, 40, 000, 6. 30, 5, 2005