Ayame begins to make her move since she believes Kairi and Momo's relationship is doomed because they have been together for 10 years and are not married. Everyone is taken aback when Momo reveals that she and Kairi haven't even discussed marriage. However, this revelation does give Ayame hope since there's a chance that they might be able to work things out. Later on, when Kairi goes to visit Momo in the hospital after she was injured in a car accident, they do end up getting married. But first, Kairi takes care of some business with Ayame. When Momo asks why she needs to see her, Kairi tells her it's about their daughter Haru. Since Momo is unable to have children, Haru will be her sister-in-law. At first, Momo refuses but later changes her mind when she realizes how important it is to Kairi that she becomes her wife. So yes, Momo and Kairi do get married. But don't expect them to live happily ever after since they're still two people in love who can never really be together.