Not sure if you've ever played her source game or not but one of the S. Links -- dating sim friendships -- for the protagonist is her little brother, after her death. At one point, he tells the protagonist a story about buying a pack of cream puffs, leaving them in the fridge, and her eating them all. I thought that was cute, so.
Will Axel ever get (back?) together with Saix? /woobs over them.