Bikini Line?!?!?

Ido swimming at my school. and iswim in a lane with just guys so i have to be clean and fit. And ya know girls , we like to look our best and i actually really like one of the guys in my lane and i don't it to look bad and bumpy down there.. and i know about nair I've tried it and i was really allergic to it and broke out really bad!! what should or could i do??