I am Sasuke's twin sister?!?!

S 2. 5

Tsunade-sama called me today because Team Kakashi came from their mission. When I arrived, only Captain Yamato was there with Tsunade-sama and Shizune.

"Tsunade-sama." I called her when I arrived.

"Saki. You probably knew that they weren't going to succeed, right? Why did you let them go?" Tsunade-sama asked me.

"Sai. He needed to change."

"What?" Tsunade-sama asked.

"Like you know. Danzo is the one that put Sai in the team. But that wasn't the only thing he needed to do, right?"

"Yeah. Sai was going to kill Sasuke because he was a vessel for Orochimaru." Captain Yamato said to Tsunade-sama.

"But that wasn't the only thing. He was going to give a gift to Orochimaru." I said while Captain Yamato was giving the ANBU classified information to Tsunade-sama.

"This!" Tsunade-sama exclaimed when she saw what was inside. "Shizune! Reinforce the protection! Now!"

Shizune ran for her life.

"Sai is now wanting to become a team with everyone. Naruto changed him. He wants to see Sasuke-nii's and Naruto's bond." I said smiling warmly.

"Are you sure, he is not going to betray us?" Tsunade-sama asked.

"Even if Danzo tries to get rid of their emotions. Humans live for emotions. Sai is still human." I answer her. "Well, I will go now. I have to greet him before he goes." I said and teleported where Sai was.

"They left without saying bye, right? Someone needs to teach them manners." I said behind him.

Sai was about to attack me, but stopped when he saw who I was.

"It's you. What are you doing here?" Sai said to me.

"I just wanted to see you before you went to report."

"I already reported to the Hokage."

"Sai. I know a lot of stuff, and I also know how you are feeling, right now. That's why I forgive you from trying to kill my Sasuke-nii." I said smiling, Sai froze. "Well, goodbye. See you, Later."

I said while waving, he waved back, and we both went different paths. I was walking, and my day went normal.
The next day, I went to the library with Sakura first before going to visit Kakashi-sensei. I also knew that Sai was going to be there. I saw him, and went closer.

"Oh. I get it now..." Sai said while reading a book.

"No, you don't." I am trying to prevent him from making Sakura and Naruto mad.

"Eh? How do you know that?"

"Sometimes calling them by their first name is enough. Don't make nicknames. When you want to also called them by their first name. Ask them first. Don't just start calling them by their first name." I explained him.

"How did you knew what I was reading about?" Sai asked suspicious of me.

Sakura interrupted us.

"Oh. Sai, you like to read books?" Sakura asked while sitting beside me.

"A little." Sai said while blushing a little.

"Saki, Naruto, and me are going to visit Kakashi-sensei after. Want to come with us?" Sakura asked Sai.

"Kakashi...sensei..."

"You are in Team Kakashi after all, you should meet him." I encourage him.