Well, 'an unexpected proposal fanfic' might center around a particular fandom. For instance, in a fanfic related to a fantasy series, a character who was thought to be too shy or focused on other things suddenly proposes to another character. It could be full of drama, with the other character's reaction and how it affects their relationship and the overall story arc in this fan - made world.
A fanfic set in a historical drama fandom could have a lower - class character unexpectedly propose to a noble. This goes against the social norms of the time in the story. The fanfic would likely delve into the reactions of the surrounding characters, the difficulties they face due to their different social standings, and how they try to make the relationship work in spite of the unexpected nature of the proposal.
The main features of a business proposal manga are concise yet comprehensive content, colorful illustrations to draw attention, and a logical sequence of presenting information. It aims to make complex business concepts accessible and interesting to the audience.
A business proposal manga usually has clear visualizations of the proposed plans and strategies. It might also feature characters discussing the pros and cons in an engaging way.