Can someone translate this for me? Hi! Please translate this, I'm not exactly sure what it says. "분위기 좋네요~ 자주 와도되죠?" The person commented on a makeup post.

Please correct this sentence for me... Hi, I'm a little confused on how I would say this. 한국어 수업을 가르 칠 저입니다? (I will teach Korean class?) Some backstory: Originally I was just going to be a helper, but the main teacher wants me to be the head while she goes and teaches another class. I'm confused as to why, so I want to clarify that she does, in fact, want me to teach, and I didn't just misunderstand. The full phrase I'm trying to write is: "잠깐만요...이해가 안 돼요. 한국어 수업을 가르 칠 저입니다? "