Having lost his memory, he just woke up and faced a man whose gender he could not identify. The man even named him "Kidomaru"...
Through the little spider's vision, he discovered that there was no way to escape from this place called "Sound Ninja Village". Based on instinct, he thought that as long as he showed valuable abilities, he could survive. Unexpectedly, Orochimaru made a joke to him - sold him directly...
