I kinda cheer them. As great Senko wouldn't be I don't see a romantic relationship between him and Senko. New Kistune literally could be his wife and mother, but we know main girl won't go out of the stage ever. They never do
I'm calling it. He will save her body in the fight with him controlling hers, and when he will be asked about the reward he will refuse the meeting or marriage, or whatever it was and say it wasn't her fighting with him and he doesnt want to win in this way. Thus manga will go back to fkn shit...