The moral could be that true happiness doesn't come from external possessions like a shirt. Happiness is an internal state that can't be bought or obtained simply through material things.
The 'the happy man's shirt story' is often a folktale. It might be about a king or someone in power who is seeking the secret to true happiness. They are told that a happy man's shirt holds the key. So they set out on a journey to find this happy man and his shirt. Along the way, they discover that happiness isn't as simple as possessing a physical object like a shirt.
I'm not sure exactly as the details of the 'Happy Man's Shirt Story' can vary. It could be about a man who has a special shirt that brings him happiness, perhaps with some magical or sentimental qualities to it.
Since we don't have all the details of 'the shirt of a happy man story', it's hard to say exactly. However, there must be at least two main characters. One is the protagonist, who is not happy and is in search of the shirt of a happy man. The other could be the person who is thought to be happy, the owner of the shirt. There might also be other characters like people the protagonist meets during his search, but without more information, we can only assume these two as the main ones.
In the 'Happy Man's Shirt Story', the main character is surely the man associated with the shirt. He could be a simple farmer who one day stumbles upon this extraordinary shirt. Or he could be a weary traveler who is given the shirt as a gift. The story could detail his experiences with the shirt, how it affects his mood, his relationships with others. It could show how this one item, the shirt, becomes a significant part of his identity and his journey towards happiness.
The 'boy with a happy face story' could be about a boy who lives in a small village. He always has a happy face despite the hardships in life. One day, he discovers a beautiful meadow full of wildflowers near his village. He spends his days there, feeling the beauty of nature, and that's why he always has a happy face. He shares this place with the other children in the village, spreading his happiness.
I'm not sure specifically as I haven't read it. But generally, a graphic novel with 'happy face' in the title might be about positive experiences, happy characters, or stories that end on a cheerful note.