A. The Plaintiff is a legally married couple who completed the marriage report with C on June 14, 2007, and has two minor children under the chain.

B. From around the past 2009 with C and B, the Defendant had contacted with C and C through the Kakakao Stockholm message and had private met.

[Ground of recognition] Facts without dispute, entry of Gap evidence 1 to 3, and purport of the whole pleadings

2. Determination on the cause of the claim

A. 1) The gist of the parties’ assertion is as follows: (a) the Plaintiff’s Defendant committed an unlawful act with C, the Plaintiff’s spouse, thereby suffering from mental suffering.

Therefore, the defendant is liable for compensating the plaintiff for mental damage suffered by the plaintiff.

B) The Defendant, as the Defendant-friendly relationship, was taking into consideration C’s marriage life and did not commit an unlawful act with C only while admitting C as the Defendant-friendly relationship, and did not commit any unlawful act with C. 2) The act of the third party, which, in principle, interferes with the maintenance of marital life or interferes with the maintenance thereof, and infringes on the rights of the spouse as the spouse, thereby causing mental pain to the spouse.

(대법원 2015. 5. 29. 선고 2013므2441 판결, 대법원 2014. 11. 20. 선고 2011므2997 전원합의체 판결 등 참조). 한편, 민법 제840조 제1호 소정의 배우자의 부정한 행위라 함은 간통을 포함하여 보다 넓은 개념으로서 간통에까지는 이르지 아니하나 부부의 정조의무에 충실하지 않은 일체의 부정한 행위가 이에 포함된다(대법원 2013. 11. 28. 선고 2010므4095 판결 등 참조). 살피건대, 갑 제3호증, 갑 제4호증, 갑 제5호증의 각 기재 또는 영상, 이 법원의 D호텔에 대한 사실조회 회신 결과 및 변론 전체의 취지를 종합하면, 피고와 C은 2019. 9.경부터 카카오톡을 통하여 연락하면서 ’자기‘라는 호칭을 사용하고, “에혀~ 나한테 시집이나 오지~ㅠㅠ”,"꼭 내가...