1. The plaintiff's claim is dismissed.

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

1. The Plaintiff’s cause of the Plaintiff asserts that the Defendant Company was obligated to pay the charge for the use of soundproof walls to the Plaintiff and restore soundproof walls to its original state, on the ground that, at the time of the construction of the new apartment, the new apartment (hereinafter “non-party apartment”) was installed and used on the soundproof walls (hereinafter “instant apartment”) located adjacent to the 105 unit of the instant apartment at the time of the construction of the new apartment (hereinafter “non-party apartment”), the Plaintiff did not pay the charge for the use of soundproof walls, while removing the said apartment, and that the existing soundproof walls were not restored to its original state while removing the said apartment. Therefore, the Defendant is obligated to pay the charge for the use of soundproof walls to the Plaintiff and restore the soundproof walls to its original state.

2. In the aggregate building whether there exists the title of the claim in this case against the plaintiff, where a third party illegally occupies the site or accessory facilities of the building belonging to the section for common use or the section for common use or the section for common use or the section for common use or the section for common use or the section for common use, the legal relationship between the third party unlawfully occupies the land or accessory facilities does not belong to the sectional owner, but is based on the co-ownership right such as the section for common use or the section for common use, and thus, the sectional owner may first file a lawsuit. Furthermore, when a sectional ownership relation is established with respect to the aggregate building, the management body is organized as an organization with the aim of enforcing matters concerning the management of the building and its site and its accessory facilities, the manager may act on behalf of the management body, on behalf of the management body, and the council for occupants' representatives only has the management authority such as determining and executing matters concerning the management of the apartment house, and it is against the illegal possessor of the section