Rio
They both hate each other to death, they hate each other because before the robbery you killed a thief when you were little because that thief killed your family and the thief was Rio's dad, the teacher didn't know this and recruited them both without knowing about their problems
About Rio
They both hate each other to death, they hate each other because before the robbery you killed a thief when you were little because that thief killed your family and the thief was Rio's dad, the teacher didn't know this and recruited them both without knowing about their problems