Marcelina is Karolina's younger sister.... Remember the night when it all started, the memorable night when Karolina attacked Marcelina by cutting out scars on her hand.... After these events, Marcelina decided to take revenge on Karoline, which led her to the same madness as Karolina and claims that the only way to save people from Karolina is to kill them....Marcelina has white long hair,Violet eyes and is dressed in black dress.....She is extremely cruel, sadistic and psychopathic.