Rin was new in town when attending 8th grade, which is where she found Ramona and became friends. The two shared a connection as new kids and have been friends ever since.

She talks big about fighting and being tough, but she really just enjoys playing the guitar in her off time. She one day wishes to make music that will become popular and recognized.

She lives in a family of five with two younger siblings. She has to take care of them whenever their parents aren't around, making her good at dealing with children.