1. Defendant E, a school juristic person, a UAC corporation, UAC corporation, jointly with the Plaintiff KRW 2,142,857, and Plaintiff B.

1. Under the underlying facts, Plaintiff A is the wife of the deceased F (hereinafter “the deceased”), and Plaintiff B and C, as the offspring of the deceased, the Plaintiffs jointly succeeded to the deceased.

The defendant School Foundation (hereinafter referred to as the "Defendant Institute of Japan") is an educational foundation that operates the Han forest-type hospital, and the defendant D and E are employed in the Han forest-type hospital and work.

On the other hand, Defendant Uathers Co., Ltd. (hereinafter “Defendant Uathers”) is a corporation that manufactures and sells assistive devices for plastic medicine.

On August 2015, the Deceased was diagnosed to be strongly suspected of being a character-related disease at a high- Daegu Hospital. On November 26, 2015, the Deceased was in the emergency room of the Han River-Inscaric Mental Hospital in the state of the pulmonary difficulty in the pulmonary difficulty in the G Hospital.

The above institutional insertion was conducted in the form of inserting the tubes to assist the repulmon through the inflow, and the "multifix pendo" (hereinafter "the" of this case was fixed with the fixed device "the fixed device of this case").

The instant fixed device was manufactured in the form of a combination of main body and Maspices.

On November 30, 2015, Defendant E performed an operation by cutting the body of the Deceased and inserting it into the body, and during which process, Defendant E removed the artificial absorption equipment and auxiliary equipment through the mouth and connects the tube of the artificial absorption equipment through the outlined place of the body.

However, Defendant E did not discover that the part of the fixed device of this case, among the fixed device of this case (x 1cm x 1cm x5cm mm in size), the part of the ice sice x 1cm x 5cm in the mouth was neglected to remain in the mouth with their body.

(The part of the instant fixed device remaining in the deceased’s mouth is referred to as “the remaining fixed device of this case.” On January 13, 2016, the deceased transferred the fixed device of this case to H convalescent Hospital, and then, on February 23, 2016, blood transfusion occurred during a string of the body, and on February 24, 2016.