4年に1度テレビで行われるプラモデル大会に出場する予定だったやっさん（田中要次）が交通事故に遭い、大会に出場できなくなってしまった。自分の代わりに大会に出場してほしいと頼まれたリコ（与田祐希）は、チャンピオンになるためにやっさんやアオ達と猛特訓を始める！時同じくして、ドリクレチームは投資家に向けた最終プレゼンが近づき、より一層仕事に気合いが入っていた。そんな中、最終プレゼン相手のリコの動向が気になる中野（藤井夏恋）はある場所へと向かう…
Yassan (Youji Tanaka), who was scheduled to participate in a plastic model competition held on TV once every four years, gets into a traffic accident and is unable to participate in the competition. Riko (Yuki Yoda) is asked to participate in the tournament in his place, and begins intensive training with Yassan, Ao, and the others in order to become the champion! At the same time, the DreCra team was getting even more excited about their work as their final presentation to investors approached. Meanwhile, Nakano (Natsuko Fujii), who is curious about the behavior of Riko, her final presentation partner, heads to a certain place...
