日ひの丸まる弁べん当とうひのまるべんとうMeanings1nounhinomaru bentoA simple bento consisting of plain white rice with a single red pickled plum (umeboshi) in the center, resembling the Japanese flag.子こ供どもの頃ころ、遠えん足そくにはよく日ひの丸まる弁べん当とうを持もって行