TENTEN > MYSTERIES
In chapter 36 - the first time we see team Gai, Tenten is shown in one picture with a mark on the back of her top. Various fanart-artists have included this too(Yakimesi is a great example of this), as the kanji 天('Ten' - means 'heaven'). But from the original picture it's not easy to confirm what it is, but it does look like it. It appeared only in this picture of the manga, and never again. It was never shown in the anime either. Maybe Kishimoto actually had/have something planned for her after all. ;D we can only hope.
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