It's possible. The quality of a manga doesn't solely depend on its class. A bronze class manga can have unique and engaging elements that make it just as enjoyable as a gold class one.
I don't know which comic I'm referring to. These two words were not very common, and there was no information about them in comics or novels. Please provide more information or context so that I can better answer your question.
Fan Xian's class was the homeroom teacher's. Fan Xian was compared to the class teacher, fighting wits and courage with the students. This scene reminded people of the interactions with the class teacher in school. Although the search results did not explain in detail what Fan Xian's class smell was, it could be inferred that Fan Xian's class smell was similar to the sense of responsibility, authority, and management ability of a class teacher.
Typically, these mangas incorporate elements of physical activity and competition in the PE class context. The characters' emotions and interactions play a crucial role. The plots can range from light-hearted to more intense and dramatic.