I totally get why that would be a concern for you considering the fandom, but I think this isn't in any way meant to be a ship.



It's just a sibling remembering the old days where her brother and her were able to do share something together for fun (a rare thing for some siblings to have, I speak from experience), and then gets to relive those old happy memories revived in the present, showing that the bond between these two hasn't weakened over the years.