I Want to End This Love Game

Two childhood friends have always been together ever since they were little. The problem is that they're so close that even now that they've become aware of their feelings for each other, they can't be frank about them. The "I Love You Game" is the bond that holds the two together, and has been going on for years. What will become of the pair's love, when it's all riding on a silly game where you win if you embarrass the other person?!