Sure. The Ouran Host Club manga has finished. It had a proper conclusion that covered all the important aspects and left a lasting impression on readers.
A fanfic with this scenario could start with Harry arriving at Ouran Highschool on a rainy day. He has his trusty umbrella, which could be a family heirloom or a magical item. As he walks through the school grounds, the students of Ouran Highschool are intrigued by his different appearance and the old - fashioned umbrella.
I'm not very familiar with this specific fanfiction. However, in general, pregnancy fanfictions often explore new aspects of character relationships. It might delve into how Haruhi and Kyoya handle the unexpected situation, and how it impacts their relationship within the Ouran High School Host Club setting.
Yes, it could be. In some Ouran fanfictions, creative writers might develop a plot where Harry has a best friend who is Honey. Fanfictions often take existing characters and create unique relationships among them.