Mr. Ren turned a test paper over and over, looking at it several times, and finally had to confirm—it was really true that this thirteen-year-old child had gotten everything right.
Of course, if graded strictly according to the marking criteria, Niuwa wouldn't have gotten a perfect score because he had a few problems where he only wrote the answers without showing the steps.
If Mr. Ren hadn't seen him silently thinking, he really would have thought the kid memorized the answers in advance.
Mr. Ren held the paper, looking at Lin Nianhe for a moment and then at Niuwa.
"Are you two... really siblings?"
Lin Nianhe nodded, "Mm, siblings from different parents."
Mr. Ren: "...?"
Lin Nianhe casually placed her hand on Niuwa's shoulder and introduced more thoroughly:
