[Machine Translation] Nao Akiyoshi has been living a life where he and his ex-girlfriend, Lemon Nishikawa, switch places every other day. One day, Akiyoshi finds himself in a situation where he has to compete in a beauty pageant at a school festival in the form of Lemon Lemon. On the day of the festival, her friend Suzuka confesses her love to her while she is in Lemon's image, and Nao is unable to hide the fact that she has been replaced. Suzuka is unexpectedly rejected...? Graduates Lemon and Nao win the second place prize at the Miss Contest, and they invite their seniors Natsumi and Suzuka to go to an amusement park with them...? The third volume of the ever-changing, ever-changing love story!