A guy invited his friend 伊理戸 to hang out in his room. Unfortunately, he only wants to study for a test. So the guy thought
I am not quite sure about the meaning of「雰囲気で点が取れるとはなんだったのか」. The translations said "so much for very little effort" but I can't see where this meaning came from. I think it means something like "What is the point of getting high marks from atmosphere"? I don't understand what 雰囲気 means.