Her plan backfired nicely.

SEQUELITUS ANONYMOUS ASSEMBLE! 
And I get to try my luck with her sister first!

It was nice seeing the story from the heroine perspective.

Oh thank god, I was having trouble staying hard with all the crying. All's well that ends well!

Vanilla is good food for the heart

Male Protag "spots the difference" between the sisters ... LIKE A BOSS!

APPROVED!!!!!

EVERY VANILLA SHOULD HAVE A VANILLA SEQUEL!

You see, I really like that title, that description, and also those tags. Why? Because all of them promise some sweet Vanilla loving.
Yeah, it was pretty obvious they were going to pull the 'I actually knew it was you all along' thing, but hey it was still pretty interesting how he played along all the way until the end.
And I certainly agree with him that it was adorable how she essentially...confessed how much she loved him indirectly by pretending to be her sister.
It'd certainly be funny if there was a sequel where her little sister found out about this or something, but hey, I'm quite happy with what we got here, so even if we ever do get a sequel I'd be happy with just more sweet Vanilla loving.