1. The defendant's appeal and the incidental appeal of the plaintiff A corporation are all dismissed.

2. The costs of appeal are assessed against the defendant.

1. Basic facts

A. The Plaintiff Company is a company established on November 23, 2012 and engaged in the manufacturing business of shoess, clothings, bags, electrical and electronic products, pets, etc., and is also a company incorporated on November 23, 2012 (hereinafter “instant building”).

2) Plaintiff B is a sectional owner of the first floor underground of the instant building, who is engaged in the sales business of the clothing support unit under the trade name of J.

3) From November 201 to the present date, the Defendant leased the first floor of the instant building from November 201, to the present date, and mutually marina (hereinafter “E”) “E”.

B) A person operating the instant building. (B) On August 5, 2014, the Plaintiff Company completed the registration of ownership transfer in the name of the Plaintiff Company with respect to the second and second underground floors of the instant building on the ground of the instant building, and thereafter used the second underground floors of the instant building as a business warehouse storing new shoes, clothing, etc. from around that time.

2) On October 8, 2013, Plaintiff B completed the registration of ownership transfer under the Plaintiff’s name with respect to the first floor of the instant building on the ground of October 8, 2013, and thereafter, Plaintiff B used the first floor of the instant building as a business warehouse that keeps the clothing original unit from around that time (hereinafter “each of the instant warehouses”), including the first floor business warehouse and the second floor business warehouse of the instant building.

(C) 1) The cooling water pipe installed in the instant marina (hereinafter “instant cooling water pipe”) was connected to the external fireproof group of the instant building, not with a public sewerage system or other pipes. From November 2011, the Defendant commenced to operate the instant marina, which was installed in the instant marina pipe through the cooling water pipe, discharged a large amount of cooling water from the air conditioner, etc., to the external chemical group of the instant building.

2. A tent of each warehouse of this case around May 30, 2016 and its dates.