I played through the entire game multiple times, choosing different options but nothing seemed to trigger those two for me. If you have any tips/answers/routes, please let me know :)

I tried to place as the nicest Ekaterina possible but only ended up getting the "good" lord ending (plus a handful of bad endings). How do I get the good romance ending?

How many words is this visual novel? What is the expected single playtime and total route playtime?