Is Junko Furuta story real?

There are so many reasons to believe its made up or at least a bit part of it. Is there any evidence this girl existed beside those 2 photos? Where is her grave, her family? Sylvia Likens case was in 60s and we know so much more about it. How did her mother didn't search for her 44 days? Where is the court case? Why didn't a single serious television talked about it? How in the world, after all those things she had to endure, she had left enough energy and strenght to play a game with those guys and even beat them at it?
Is Junko Furuta story real?
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