Oh dear, it was bound to happen. And if you pay attention even closer, it has happened before.
Arc keeps forgetting that the MC has a different model in act 3. Which is funny, because he’s the one that decided it should be that way, effectively making it impossible to reuse scenes from act 2. That and the possible mixups like you’ve just seen.
But yeah, on the victory cards Noelle, Ophelia and Terri have the “new” model, because he’s shirtless and the arms are clearly visible.
Ophelia and Hazel have the old model, notice the not-blackened hands and that he’s using his old jacket instead of the hoodie.
And then there’s Rachel, Robin is shirtless but his arms are barely visible.
I’m starting to think he might subconciously dislike the dark arms, but that’s another one of the holes he dug himself into.
Random Fact: Notice how the MC has painted toenails now.