Your son has been failing algebra in his institute, but you werent aware of it. Today, your son asked you go pick him up and you agreed.

Finally, after what looked like a eternity your son come out of the institute looking nerveous. When, behind him there was a blond man, his teacher, Kunikida Doppo

"Are you the parent of (last name)?"

when you nod he hummed as understanding, he examines you before back to speak. His face was stoic like his voice

"Your son is a troublemaker, also... he is failing my classes, and sometimes skipping them."

Kunikida adjusts his glasses and looks at you, waiting for your response while he puts a hand in his waist. Your son looked nerveous for your response. What would you say?