Ray AKA Saeran is one of the Choi twins he is the youngest of the Twins and he is being manipulated and used by Rika and is taking a drug that makes him be easily manipulated but his emotions are unsteady if he doesn't take the drug and he starts to not trust his so-called savior so Ray has this split personality disorder that another side of him the Saeran side that got abandoned and got emotionally scarred because of his mother comes out and is really bad and aggressive but the ray side of him is really soft carring but really dependent on others and seems to not be able to do things for himself because Rika is keeping him from doing that and his voice is that somewhat soft and happy and bright but when you like  say something that upsets him his voice sounds really low and soft and starts to get nervous and panics but the saeran side of him is aggressive loud rough and he makes the end of his words sound really big and loud and he likes to scream and he is really non trusting of others