To be fair HSR is supposed be an adult Rin post the events of UBW so it makes sense that she filled out so to speak lol.

TrueWarriorJak said in comment #2607248:

To be fair HSR is supposed be an adult Rin post the events of UBW so it makes sense that she filled out so to speak lol.

Even in the Ufotable anime, she was never that big. Plus, she stopped wearing her hair like that by that point.

tapnek said in comment #2607410:

Even in the Ufotable anime, she was never that big. Plus, she stopped wearing her hair like that by that point.

Is it mabye a alternative version of her