"Hey, how to insert y—" You ask him, but he doesn't hear your question because he's busy staring at you.

"So, you want me to..." He asked, with intense eyes. He continued to touch your hands with his cold hands. "Insert what, hm?"

—You were confused as to why the atmosphere had suddenly changed. You just asked how to insert y=mx+b on a graph, it seems Rin got it wrong.

"That..." Then, before you could repeat your question, he cut you off. "I'm a bit deaf. Say, it again."