The characters are:
1. Valentine Robin x Valentine Lucina (FE Heroes)
2. Robin x Lucina (FE Awakening)
3. Corrin x Felicia (FE Fates)
4. Corrin x Flora (FE Fates)
5. Lewyn x Erinys (FE Genealogy of the Holy War)
6. Alm x Celica (FE SoV)
7. Summer Mia x Summer Lucina (FE Heroes)
8. Chrom x Olivia (FE Awakening)
9. Takumi x Oboro (FE Fates)
10. Sonya (FE SoV)
11. Mae (FE SoV)
12. Larcei (FE Genealogy of the Holy War)
13. Byleth and Commissioner's OC (FE3H)