One simple challenge is all it takes to set everything in motion. Nico Di Angelo and Percy Jackson. They did not... interact much, to say the least. But then a challenge was raised and everything takes a dramatic turn. Will Nico start developing feelings for his sworn nemesis? And in the meantime, will Percy sort out his feelings in time for the Annual Christmas Yule Ball? ~~~~~~~~~~ A high school AU [pernico/percico] Disclaimer: Rick Riordan owns PJO and HoO inspiration from The Bet (percico) by percysconstellation who took inspiration from another fanfic called Bet on Me (klance)