"Unfortunately, other children can also tell stories. Isn't there something more special that you can show?" Rowan Harper raised an eyebrow.

"Louis is good at math."

"No, you're better, Emily."

Before the two children could engage in a fiercer debate, Rowan tested them with simple mathematical operations. Amazingly, the twins always answered quickly and accurately. Then, he tested their arithmetic skills with more complex cases. Again, the questions given seemed easy for them.

"Last question. ...