I think Eliza will still come #1 when it comes to the MC only one that I see she may have potential to be on the same level as Eliza for the MC would be Rin. But she would have to accept it 100% if you play a harem pathNot to mention that she will have to accept or compete with 2 pirate lords, 2 goddesses, a princess/future queen, and a (former?)best friend, the others notwithstanding.