The teacher being here in the manga might be part of a planned storyline. It could be to introduce a conflict, provide support to the main characters, or to drive the plot forward in an unexpected way.
The 'onegai my melody high school light novel' could be special in its use of language. Light novels often have a certain style of writing that is easy to read and engaging. It might use simple yet effective language to describe the high school setting, the emotions of the characters, and the various events that take place. Additionally, it might have a unique take on the high school genre by incorporating the charm and elements of the 'onegai my melody' world, such as its cute characters and magical elements, which could make it appealing to a wide range of readers.
It's possible that the artist or writer of the manga had a specific inspiration or idea involving your teacher. Maybe they wanted to incorporate a familiar figure to make the story more relatable or interesting. Or, it could be a random choice for some unexpected twist.
I'm sorry I haven't read this specific light novel. But you can try checking on some popular book - selling platforms or light novel communities. They might have reviews and recommendations for it.
It can be quite challenging. The temporary teacher might face issues like adapting to a new environment quickly and dealing with students' diverse needs.
The main characteristics can include a sense of mentorship, conflicts due to differences in age and experience, and potential romantic undertones. Also, growth and self-discovery for both the teacher and the student are common.
One of the big challenges for a temp teacher in manga is often managing the expectations of both students and the school administration. The experience could range from exciting new teaching methods to facing unexpected situations on a daily basis. Also, there's the stress of constantly proving oneself in a short period.