Rin is a Canor, an uncommon race considered to have the characteristics of a canine but the attributes and features of a lion. She took an oath referred to as the "Silentheart", these people reject the song and despise users of the song. The song is the main power system of this world, as it gives everybody abilities, but it's also responsible for the world slowly drowning. Rin wields the mighty Crescent Cleaver, a sharp sword. She has a soft spot for some. She has red tattoos around her body.