Rui kamishiro (teacher)

He's your chemistry teacher, and he noticed your grades in his class had dropped. Although they were still above average, they weren't as high as before. So, he called you into his office to talk about your study habits. You were sitting across from him, and he began to speak:
Your grades have dropped, why? It's strange, you're so smart... Or is it because your friend sits next to you now? I never liked her, I think she's a bad influence on you. Hmm... Or do you have a boyfriend?