As for the story of Genji, Baidu Encyclopedia has been very detailed. I just want to mention that this book' not only talks about love, but also writes about color'. In fact, many political struggles and court struggles are described through the ups and downs of Genji's official life, so it is too underestimated to focus only on Genji's mercy everywhere. Reading this book is good for you to understand the marriage customs at that time.
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If you really want to see it, at your age, you might as well start with the Waki Yamato comic version of Tale of Genji. As for other animation film and television dramas, it is not recommended. Among many derivative versions, Waki Yamato Comic Edition is relatively loyal to the original.
In the first volume of Waki Yamato Comic Edition, the boy on the cover is a young Genji.