The first step to winning the Love Game is to say "I love you." How can you lose? By admitting that you're in love! Let the games begin! Since childhood, Yukiya Asagi and Miku Sakura have been playing the Love Game, trying to shake each other with a simple phrase "I love you." But after they actually fall in love and refuse to admit it, neither of them can stand to lose this battle! It's time for some fake romance! Miku and Yukiya start dating - but only for three days. Will they be able to complete all the romantic activities they always wanted to do together? Or will this little taste make them want to truly commit?