"Ok guys, it's time to train!" Kakashi told his students, who looked over at him immediately.

"What kind of training, sensei?" Sakura asked curiously. "Oh, you'll see!" Kakashi gave them a close-eye smile.

(Later in the forest)

All of them got to climbing the trees without hands. It would be easier for some than others.

Sakura had good chakra control, but tiny reserves, so she would have to be careful not to run out instantly.

Kurama had massive chakra and great control, but occasionally he would output too much, and that would repel him.

Naruko had already learnt something similar, just with a metal pole, so she could do it instantly. Also, she had good chakra thanks to kyuubi.

And Sasuke has OK reserves of chakra and average control, so he won't really have to worry about much other than maintaining his chakra usage.

After about an hour, sakura was almost out of chakra but managed to get to a high branch, Naruko was just waiting at the top, Sasuke was almost halfway and Kurama was nearing the top.

"How does it feel being the worst for once huh Sasuke?" Kurama taunted, still angry at the uchiha for hitting on his girl-i mean sister.

Sasuke growled and fell for the taunt, getting frustrated and therefore losing his control of his chakra.

The rest of the day just consisted of kakashi silently reading, sakura  cheering for Sasuke and Naruko and Kurama making fun of him.