not during, before. Like as soon as you talk to her, there should be an option that says "replace masseur today"
Nope, there's literally no way anyone could do that. "Why?", you asked? It's as simple as this: Most people started playing when game was just v1.0 or something, with not a lot of content. We either went through a grindfest to gain full stats in everything, or we edited save/used cheat mod to get full stats. Then we just do whatever we could at the time to finish all quest line to the latest step of the most current version at the time. So when new version is released the month following, we're all on the same page and will just need to follow the walkthrough to finish whatever was added. So we can't make a day-by-day walkthrough because, to do that, we'd have to play v15.0 from scratch, and NOT use cheatmod/edited save, which mean, we'd have to go through a grindfest that could haunt us for years to come just to make a detail guide for someone we don't know. Could you honestly imagine yourself doing that? No? Then don't expect other to do it for you.