1. The plaintiff's appeal and the defendant's incidental appeal are all dismissed.

2. Costs arising from an appeal and an incidental appeal shall be respectively.

1. Facts of recognition;

A. On April 1, 2013, the Plaintiff had a DNA child between C (hereinafter “Plaintiff’s husband”) and the two married couple who completed a marriage report.

B. The Plaintiff’s husband and the Defendant were the employees of the incorporated association E, and the Plaintiff’s husband were the employees of the business division team leader, and the Defendant was the employees of the financial division.

C. From August 2018, the Defendant maintained the relationship between the Plaintiff’s husband and his husband at any time, such as giving and receiving text messages with the Plaintiff’s husband, and making the Plaintiff’s accommodation in the telecom.

[Ground of recognition] Facts without dispute, Gap evidence Nos. 1 through 7, the purport of the whole pleadings

2. Determination

A. The act that a third party who is liable for damages causes mental pain to the spouse by committing an unlawful act with the spouse of the married couple, thereby infringing on the common life of the married couple falling under the essence of the marriage or interfering with the maintenance thereof and infringing on the spouse's right as the spouse, constitutes tort in principle.

(대법원 2015. 5. 29. 선고 2013므2441 판결 등 참조). 살피건대, 위 인정사실과 앞서 든 증거 및 을 제1호증의 기재를 종합하여 인정할 수 있는 다음과 같은 사정, 즉 피고는 원고 남편에 의해 처음 성적 신체접촉이 있었다고 주장하는 2019. 1. 25. 이후에도 수차례 원고 남편과 성관계를 가진 점, 피고는 2019. 1. 28. 원고 남편이 보낸 ‘난 앞으로도 많이 오래 계속 사랑할게. 티 안나게‘라는 카카오톡 메시지에 ‘티안나게 ㅎㅎㅎ’라 답변하였고 2019. 1. 31. 원고 남편에게 ‘커피한잔 사드려요 ㅋㅋㅋ’는 카카오톡 메시지를 먼저 보내기도 하였으며 2019. 2. 10. 원고 남편을 피고의 집에 초대하면서 ‘잠옷 입고 있어도 되져 ㅋㅋㅋㅋㅋㅋ’, ‘비번 알려주려고 했지ㅎㅎㅎ’라는 카카오톡 메시지를 보내기도 한 점, 피고는 2019. 3. 9. 원고 남편의'내가 미안한 이유는 널 놓지 못하기...