Excuse my grammar English is my 2nd language Hanae Haruno is Sakura's twin sister both are inseparable. when both of them were put on a different team it didn't sit right with them but Iruka Sensei already explained that every team must be balanced. She was placed in a group with two boys who are brothers though the other one started the academy a year late he was able to catch up. Strangely she gets along with the two of them like they have known each other for a long time yet they never even talk before But soon she found out why (Disclaimer: I do not own the Naruto series)