Onna Tomodachi to Kekkon Shitemita

Chapter 15.1
Chapter 15: Let's be there for each other
Chapter 16
Chapter 15: Let's be there for each other
Chapter 16
Two women who are just friends make a pact... "If both of us are still single in 5 years, let's get married." Five years later, they meet again, and their married life begins.