Let me elaborate you this the friends Mikasa has are only Armin and Eren.With all the others ,she is on good terms nothing more .

SASHA PRESPECTIVE 

For both Mikasa and Eren :Sasha admires their bravery and strength to a certain degree. Though they do not really share a close acquaintanceship with Sasha, they are on good terms as teammates.

COMMENT!!!!!!!!!!!!