they are so implied!! Like—at their age they should be married, having an heir and stuff but they havent. They thought of valeta as their daughter and stood firm that THEY are her parents. The panelling in the last chapter it says “this story is about understanding and love” and it shows the two dukes together. Well it could be parental love that they are talking about but let me be delusional..!

for the next side stories, yaoi dukes im begging