Headcanon that Nico feels the same way about Percy as Percy does of him. Yet obliviously turning down each offer unsure of how Percy feels, and not wanting to ruin anything. Then Annabeth makes it more obvious about Percy and his feeling towards Nico. So many oblivious no's and so many unintended rejections later, Nico finally agrees to one of Percy's offers. Both head home to get ready for their date, both continuously disliking their outfits, and Percy taking a 30+ minute intervention just to decide what shirt to wear. Meanwhile, Nico disapproves his simple black… Well, everything. They have their date and Percy ends up deliriously kissing Nico.

Nico continuously blushing and Percy just like "aw come on Nico, you aren't hiding from me are you?" and Nico turning like Romano Tomato red around Percy.