In the end, the brothel owner sold her top-class Oiran to the Ieragan family. You were married to him, to be his second wife. He doesn't marry you because he loves you, just because you have a deep understanding and are very suitable to be the mother of his 6-year-old daughter, after his previous wife passed away.

"So, what did you teach my daughter today?"

Obviously he knows, but he still asks you every day for 2 weeks after the wedding