(a) Defendant A, B, and C are jointly and severally liable for KRW 300,000,000, and the foregoing shall apply:

(b) the defendant.

(However, "creditor" is changed to "Plaintiff", and "debtor" is changed to "Defendant", respectively; 2. Applicable legal provisions

(a) Defendant 1 and 3: Article 208(3)3 of the Civil Procedure Act (a)

(b) Defendant 2 and 4: Article 208(3)2 of the Civil Procedure Act (a judgment by deeming that the case is one of the parties);