One Piece manga has been ongoing for many years. It's hard to give an exact length as new chapters are still being released, but it's an extensive and epic story.
I'm not sure which specific 'long nose man story' you are referring to. There could be many fictional or cultural stories about a man with a long nose. It could be something like Pinocchio, whose nose grew longer when he told lies.
Well, without more context, it's difficult to tell the 'long nose boy story'. However, it could potentially be a story about a boy who is teased because of his long nose, but then he discovers that his long nose is actually an advantage. For example, he might use it to reach things that others can't or to perform some unique task in a circus or in a magical adventure.
If the long nose boy overcomes difficulties related to his long nose, the moral could be about self - acceptance. Accepting what makes you different can lead to great things.
The long nose of Pinocchio in the story is a symbol of his lying. Every time he tells a lie, his nose grows longer. It serves as a moral lesson for children, teaching them that lying has consequences.
One possible theme could be acceptance. The boy's long nose makes him different, and the story might be about how others come to accept him for who he is.
Perhaps there's a 'long nose story' where a wizard has a long nose that has magical powers. He uses his long nose to sniff out hidden treasures or to detect danger. People in the story are both in awe and a bit scared of his long - nosed power.