RACR is the pairing of Red and Ceer romantically.
Ceer is best friends with Red, and she's starting to feel feelings beyond friendship. She thinks he is a good leader, and she would cry for three nights exactly if he gets demoted. She made it certain by adding it into her PAK's coding.
Red is also best friends with Ceer, and he likes her. He worries about her when they go into battles or dangerous places.