XD I wish my summertime was like that. I can't be out in the sun. It burns my sensitive, pale skin. . OMG, I found this hilarious Yu-Gi-Oh! story on fanfiction.net. You interested? It's a parody of Mary-Sues and it makes me lol.
Joey/Jounouchi, you mean.
And, yes, they're all the same age. Except for Yami Yuugi and Bakura, they're, like. . I forget how old, but they're ooooooooooooooooooooold. They just look young since they don't have a body of their own.