The Pairing by Casey McQuiston

The wildly anticipated new novel from the author of the bestselling phenomenons 'Red, White and Royal Blue' and 'One Last Stop'.
 
In  New York Times bestselling author Casey McQuiston’s latest romantic comedy, two bisexual exes, Theo (nonbinary, afab) and Kit accidentally book the same European food and wine tour and challenge each other to an international hookup competition to prove they’re over each other. And they are over each other, right?