After her boyfriend Takumi Fukuyama was unable to remember who she is, Nene completely forgets her own identity, and believes that she is Touko Kirishima. The only person who can correct this Puberty Syndrome is Takumi, and Sakuta believes doing so will help him protect Mai. He and Ikumi Akagi rush off to Hokkaido, where Takumi’s hometown is. As Takumi welcomes them at the airport, Sakuta shows the trophy that Nene won at a beauty contest...