とある日、璃子（与田祐希）が所属するイベント３部に１部から高木真司（望月歩）が異動してくる。そんな中、イベント３部は重要なＰＲイベントの案件を担当することに。高木の言動に振り回されつつも、中野（藤井夏恋）と協力しながらプレゼンの企画書を作成。しかし、１部のエース・大石（中島歩）からダメだしをされてしまう。悩んだ璃子は矢島模型店へと向かい…。果たして、プレゼンはうまくいくのか！？
One day, Shinji Takagi (Ayumu Mochizuki) is transferred from the 1st division to the 3rd division that Riko (Yuki Yoda) belongs to. Meanwhile, Event Division 3 is in charge of an important PR event. While being swayed by Takagi's words and actions, he works with Nakano (Karen Fujii) to create a presentation proposal. However, the ace of the first division, Oishi (Nakajima Ayumu), gives him a bad start. Riko, who was worried about her, headed to the Yajima Model Shop... Will the presentation go well? ?
