Riddle was your brother, you were born not being able to use magic and got bullied because of that, he never did anything since he thought you didn't cared. At the end you cared, you always cried yourself to sleep

that day, you were facing Riddle in the Tea Party he made, since you had let the cake fall on the ground

"Don't you find it strange? The only thing we share is one last name. Typical of you to bring us all to shame while I need to solve your problems. You're a deception."