無事にタカルカ(賀喜遥香)とセトルカ(筒井あやめ) がプラモデル部に入部！これで廃部の危機から逃れられたかと思いきや、部員が三人集まらないと廃部になるという衝撃の事実が明らかに…！再び訪れたプラモ部のピンチを救うべく、あと一人の仲間を探し回るルカルカ。そんな時、二人は帰宅部の渉(山崎竜太郎)に目をつける。しかし、とある事情を抱えた渉の説得は難しく、ついにはタカルカと渉の間で喧嘩が勃発してしまい…
Taka Ruka (Kaki Haruka) and Seto Ruka (Tsutsui Ayame) successfully join the Plastic Model Club! Just when it seems the club has escaped the threat of being disbanded, a shocking truth is revealed: the club will be disbanded if it doesn't find three new members! The Plastic Model Club is once again in a pinch, and Seto Ruka searches for one more member to save them. At that time, the two of them set their sights on Wataru (Yamazaki Ryutaro), a member of the After-School Club. However, it's difficult to persuade Wataru, who has a certain situation, and a fight breaks out between Taka Ruka and Wataru...
