The real reason Sakura Haruno has been useless for the first 180+ episodes:
The Haruno family curse, which ends upon their 14th birthday, causes them to fart uncontrollably for an hour if they mold chakra for more than 2 seconds.
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The real reason the Sharingan is so stupidly powerful? Madara beat the Shiningami in a fiddle contest....
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Tonton is actually Shizune's twin sister. The two got bored long ago and started swapping places randomly to see if anyone would notice. So far, only Tsunade has. That's why they're so loyal to her.
The Haruno family curse, which ends upon their 14th birthday, causes them to fart uncontrollably for an hour if they mold chakra for more than 2 seconds.
----------
The real reason the Sharingan is so stupidly powerful? Madara beat the Shiningami in a fiddle contest....
----------
Tonton is actually Shizune's twin sister. The two got bored long ago and started swapping places randomly to see if anyone would notice. So far, only Tsunade has. That's why they're so loyal to her.