| Man | Woman |
| ||||
| Age | Nationality/ background | Occupation | Age | Nationality/ background | Occupation | Relationship period |
1 | 32 | Zainichi | Care worker | 33 | Japanese | Unemployed | 6 and half years |
2 | 28 | South Korean | Postgraduate | 29 | Zainichi | Office worker | 2 years |
3 | 20 | South Korean | University student | 21 | Japanese | University student | 1 year and 7months |
4 | 27 | Zainichi | Bank clerk | 27 | Japanese | Nurse | 1 year and 2months |
5 | 29 | Japanese | Teacher | 30 | Zainichi | Teacher | 4 months |