1. All appeals filed by the Defendant (Counterclaim Plaintiff) on the principal lawsuit and counterclaim are dismissed.

2. The costs of appeal shall be principal lawsuit and counterclaim.

1. The reasons for the recognition of the judgment of the court of first instance are as follows: “12Da2101” in Part 9 of Part 3 of the judgment of the court of first instance shall be as “23Da2101”; “the Plaintiff” in the part 4, 12 and 13 of the part 13 shall be as “the Defendant”; “the Defendant’s shares” in Part 5, “the Plaintiff’s shares” in Part 11 shall be as “the Plaintiff’s shares”; “the Defendant C” in the part 8, “C”; “the Defendant C” in the part 8, 18, “the late damages”; and “the Defendant” in Part 8, 13 shall be as stated in the reasons for the judgment of the court of first instance except for adding “the return of unjust enrichment” to “the Plaintiff.”

2. In conclusion, the judgment of the court of first instance is just, and all appeals against the defendant's principal lawsuit and counterclaim are dismissed as it is without merit. It is so decided as per Disposition.