The Legend of the Fireflies

Kenshin goes off fishing to bring some food on the table. At the river he meets an old man who tells him the legend of the fireflies. At the end it is revealed the old man was telling Kenshin the tragic story of his dead lover, who died waiting for him to return from his long quest to master the sword. He gives Kenshin the message that once in his life, every man meets a woman he will never forget. After hearing his story, Kenshin brings back an iris flower, which he does not give to Kaoru.