alright anyone who knows what Miyuki looks like might be confused by her newer looks this is in the future in the prologue she starts out as 17 this happens when she is 19 to answer the question of "what happened?" here is the list of questions with answers
Q:why is her hair different?
A:she just got older and let her little sisters experiment with her hair and this is what happened
Q:why is she wearing an eye patch?
A:well I don't have everything cemented but the basis is she got hurt trying to protect her sisters from a very upset Weavile and lost her eye in the process and wears an eye patch and is very sensitive about it
Q:does Gladion know she is his soulmate?
A:well yes and no he knows Miyuki is back but he still doesn't that Mami is her two years and he STILL hasn't figured it out (how do you like them apples)
Q:well if he knows Miyuki's here how hasn't he figured it out
A:she is a master at lying she told him that she finished school early and on the weekends he and her hang out usually involving her showing him places in the forests that he never knew existed
Q:what is going on in this drawing
A:she had started to try to avoid Gladion at all cost and he caught her and one strained talk later he didn't see her for about a week that he skipped trying to find her he cornered her and ended up singing and old song he knew she used to love and she ended up staring at him and shock and that's what this shows