SasuHinas children 2

They are twins and the girl's name is Hikari, she is older for a minute.

Basically says this (1st image):

(young brother)
Most of the kids misunderstand him because of his timidity, they think he is indifferent with everybody. They always want a fight with him because of that.
(older sister)
She hates when others think that his brother is a bad person because she knows how kind he is. She always pick fights with the others for protect his brother.
-----
At first, the twin male though Shinachiku liked his cute twin for that reason his shyness change to jealousy for protect her.

Sometime after they speak to each other the twin male knew the true reason was that Shinachiku knew about the adventures lived by their parents (Naruto and Sasuke) and he want the twin by his side. Now, they are best friends.