A crossover with a detective anime would also be cool. The host club gets involved in solving a mystery. Maybe Haruhi could use her practical thinking skills to help the detective figure out the clues, while the other host club members provide distractions or use their unique personalities to get information from suspects.
A 'what - if' scenario where Haruhi is actually from a wealthy family but has been hiding it all along. This would add a new layer of mystery and drama to the relationships within the host club.
Well, you could have an OC who is an exchange student from a foreign country. He could bring different cultural elements into the host club, which causes some interesting interactions, especially in a yaoi - centered story. For example, his different view on relationships and his unique charm might attract one of the existing members in a more than friendly way. You could also explore how the other host club members react to this new relationship dynamic.
One popular plot idea could be the male OC being a new transfer student at Ouran Highschool who accidentally stumbles upon the Host Club. He has a unique talent, like being an amazing pianist, which catches the attention of the club members and clients alike. Another idea is that the male OC has a mysterious past that slowly unfolds as he becomes part of the Host Club, adding an element of intrigue to the story. Maybe he's related to one of the existing characters in a way no one expected.
One plot idea could be that the OC is a new student at Ouran. She accidentally stumbles into the Host Club and catches Kyoya's attention because she's not immediately smitten like other girls. He then tries to figure out her motives and in the process, they start to develop feelings for each other.
One idea could be a time - travel plot. For example, a character from modern times somehow gets transported into the world of Ouran Academy Host Club. They could use their modern knowledge to create new and exciting events in the club, like introducing new types of hosting styles inspired by today's pop culture. Another plot could be a 'what - if' scenario. What if Haruhi was actually a rich heir all along but was hiding it for some reason? This could lead to a whole new set of relationships and drama within the club.
One idea could be a story where Haruhi accidentally reveals her true feelings for Tamaki during a particularly intense host club event. This could lead to a series of romantic and comical misunderstandings as the other hosts try to play matchmaker. Another idea might be a fanfiction set in an alternate universe where the host club is a traveling troupe, and they face various challenges on the road while still maintaining their charm and elegance. And a third idea could be a story focused on the backstories of the other host club members, like how Kyoya became so calculating, and how that affects his relationships within the club in a more lemon - flavored, romantic context.
One interesting plot could be a new character joining the host club and causing chaos among the existing members. Maybe they have a very different hosting style that challenges the club's traditional ways.
A crossover with 'My Hero Academia' would be interesting with Izuku Midoriya. He could be inspired by the host club's ability to make others feel special and try to incorporate some of those skills into his hero work. And the host club members could be in awe of his quirk and his determination to be a hero.
The male OC could be an undercover journalist. He joins the host club to expose the so - called 'extravagant lifestyle' of the rich students. As he spends more time in the club, he starts to understand the real personalities behind the hosts and realizes that there's more to them than just their wealthy facades. This could lead to a story full of self - discovery and unexpected friendships.
Perhaps 'The Unlikely Bond: Kyoya x OC in Ouran Highschool Host Club'. This title emphasizes the idea that their relationship might be unexpected or different from what one might initially think in the setting of the host club.