1. As to the Plaintiff (Counterclaim Defendant)’s KRW 5,193,100 and KRW 4,432,200 among them, the Defendant (Counterclaim Defendant)’s payment on September 22, 2016.

1. Basic facts

A. On October 1, 2002, the Plaintiff acquired the ownership of F. 447.8 square meters and its lot number 1 third floor above the ground. The Defendants acquired the ownership of E. E. 539 square meters and its lot number 1 third floor above the above land on August 29, 2008. Co-owners who acquired the ownership of the third floor above the above land on August 29, 2008.

B. The Plaintiff and the Defendants’ owned buildings exist separately from the registry, but they are one building where the official entrance door and the official corridor are installed at the center of the building from the time of construction (hereinafter “instant building”).

C. Prior to the Defendants, Nonparty G used E’s land and building owners as public bath, and installed a blocking wall at the entrance from the common corridor of the instant building to E to the public bath, and closed the building.

On the ground that the closure of entrance connected to the public corridor constitutes a violation of the Building Act, the Plaintiff and the Defendants, the owner of the instant building, were ordered to take corrective measures, including the removal of the blocking wall and the restoration to the indoor fire hydrant. On October 8, 2014, the Plaintiff and the Defendants agreed on the instant building as follows (hereinafter “instant agreement”).

E.C. Restoration Agreement for Common Facilities)

1. Matters concerning toilets and septic tanks (facilities management, electricity charges, etc.);

2. Matters concerning stairs (management, electricity charges, etc.);

3. Reinstatement to the original state after indoor fire hydrant (facilities management, electricity charges, etc.);

4. Expenses incurred in restoring indoor fire hydrants to its original state;

5. Electricity charge issues for septic tanks until now after the registration of the building E;

6. Annual fee (at the port of 48,000) for safety management.

7. The owner of an E building shall appoint a fire safety controller by November 30, 2014;

8. The indoor fire hydrant charge after the registration of the building E shall be the F Building Owner’s liability until September 30, 2014.

9. E 건물주(피고들)가 지층부터 3층까지 폐쇄한 문을 2014. 10. 20.까지 원상 복구함 ★위 합의 사항 중 1~6번에 관한 시설관리 비용은 각 건물의...