The Stinger is left ambiguous as to how Yuuki and Fuyu interact upon their meeting, but if she echoes Shiro's command that he become her husband, she's doing so to her half-brother!
Moyori is not Rescued from the Scrappy Heap despite apologizing to Sanae and explaining to her that both the Uesugi and Towada families are contributing to help pay for her rehab. But, as Masaki explained to her in February, it's still her family's influence and not her as an individual that is contributing.
