But she was wearing cute clothes! You don't pull the rug out from under that! She was wearing cute clooooothes!!
Freaking elite family ex machina ruining beautiful things.
Also yeah Shimura leveling up as a human being is a good thing! Helping her to get a present not because he wants to woo her and be by her side, but because he genuinely wants things to go well for her, even if it means she's not with him. That's a tough thing to do, and good for him for gaining that ability.
Of course, knowing she has zero interest in him probably helps. But hey, it's the truth.