Children's Day is finally here. However, Kazuma's whereabouts are unknown after the chefs criticize the kashiwamochi he made, and his chimaki (rice dumpling) recipe still lacks a winning formula. Then, upon seeing a cake sent by Marui, he comes up with an innovative idea. Kazuma, who has been watching from the shadows, sees the flaws in Yoichi's idea.
いよいよ子供の日を迎えた。しかし、作った柏餅を料理隊にけなされた一馬の行方はわからず、ちまきの工夫も決め手に欠けたまま。そんな時、丸井からの差し入れのケーキを見て、陽一はある工夫を思いつくが…。
