Drawings of Characters Standing Back to Back - I've Got You Covered

Nothing better demonstrates having a friend's back than the iconic pose of standing back-to-back with your closest friend. Even when facing away, characters drawn taking this pose usually have a bond that's nearly unbreakable. 

In their particular line of work, Chisato Nishikigi and Takina Inoue (from Lycoris Recoil) having each other's backs can mean the difference between life and death. 

Have any of the precious pairs below warmed your heart?