Supporting character in [[Naruto]]. He replaced [[Uchiha Sasuke]] and is now part of Team 7 with [[Hatake Kakashi]], [[Uzumaki Naruto]], [[Haruno Sakura]] and [[yamato_(naruto)|Yamato]].

He was trained to show no emotions. His drawings can awake and be used for several purposes, for example in fights or for mobility.

Sai's voice actor is [[Hino Satoshi]].
サイ(NARUTO) サイ 山中サイ