It's why i keep saying that tags for things that only happen on the last page/panel should be stricken because they're either spoilers or lures for things that don't happen in the majority of the story. Punchlines aren't the point, or there should be a SECOND series of tags devoted to "last page only" content
Considering that he "couldn't imagine" her in frilly clothes, he very clearly could imagine it and she was adorable. I feel like he was just teasing her from the get-go.
Hmm...I'm somewhat inclined to disagree with him on page 2, I think it'd look great.
But hey, her sister's clothes look great on her too. Makes me wonder how she plans to...explain it to her sister.
Great ending though. That "Nyaow" was just so adorable. I'm glad she's happy though, and I certainly hope he appreciates how devoted she is to him. What a lucky guy.