a lot of people seem to be angry that they get together, but i honestly don't see them as siblings at all. they only spent a few years together, and have had essentially zero communication for most of their lives. When I think of siblings, I think of randomly breaking out into play fights or arguing about stupid things like who sits where. They act more like childhood friends.
i want the mc to have a harem with everyone. the prince, her sister, his mercs, that old guy who just died. litterally everyone.