Ah Lu (played by Reina Takeda)'s parents divorced, and after that, Ah Lu and his father (played by Toshimi Watanabe) started a life of dependence on each other. Although Dad has never cooked and is not very good at cooking, in order for Ah Lu to eat a healthy and nutritious lunch, Dad still decided to start making bento boxes for his daughter.　　In the beginning, the father, who is not good at cooking, always makes dark dishes that shock his daughter, and although the bento boxes are difficult to make, Ah Lu will still eat them cleanly, after all, the bento is condensed with his father's love for him. As time goes by, Dad's cooking skills get better and better, and at the same time, Ah Lu meets a boy named Yuji (played by Sho Kiyohara), and the two fall in love. At Ah Lu's request, Dad's workload increased, and he started to make a double bento, although the bento served became more and more colorful, but the relationship between Ah Lu and Yuji still came to an end.