The costs of lawsuit shall be borne by the plaintiffs.

2. The plaintiffs' assertion is that the calculation of the litigation cost of the decision of this case is improper in sum.

However, in the judgment on the merits in which res judicata has res judicata effect, if, after the judgment on the substantive relationship of the obligation to reimburse the costs of lawsuit became final and conclusive, the court rendered a final decision on the amount of the costs of lawsuit according to the number requested by the party who is the right of recourse, the decision on the costs of lawsuit is final and conclusive, which clearly specifies the judgment on the substantive

(See Supreme Court Order 200Ma5257 Decided September 23, 2002, and Supreme Court Order 2009Ma1689 Decided September 8, 201, etc.). The instant decision is final and conclusive that specifically specify the judgment on the substantive relationship of the cost bearing of the lawsuit in the final and conclusive judgment, and thus, res judicata has been established. The Plaintiffs’ assertion is disputing the amount of the lawsuit cost itself as stipulated in the instant decision and is contrary to the res judicata effect of the instant decision.

3. The plaintiffs' claims are dismissed for lack of reasonable grounds.