He gives Sadie a faint smile. Most students didn't really realize that he is a teacher until he states it outright.

"I see. Thank you." The administrative staff sure are efficient - he only copied the class list a few days ago. "I wish you luck in your academical year, then."

A pause.

"I am Dr. Kobayakawa, and I teach Biology. I doubt you will be assigned into my class, but if you take the subject and require assistance, please do not hesitate to contact me."

After all, he always has time for students.