Eve's relationship with Park never seemed all that sexy. It began awkwardly when they were young, and was maintained out of a perceived obligation to the past. Only forbidden reunions have ever brought out that spark, when they'd grown away from each other and the mystery had temporarily returned.
p.s. since you're here, and thank you for that, I just released a new trailer for the point & click adventure game I've been working on these past few years, Perfect Tides. You can watch it here.