One plot idea could be that Daishinkan sama, who is usually so reserved and powerful, falls in love with a mortal. The story could explore how he tries to balance his divine duties with his new - found emotions. For example, he might struggle to keep his love a secret from the other deities.
Another interesting plot could be Daishinkan sama falling in love with a fellow divine being from a different realm. Their relationship could be complicated by the politics and rules of their respective worlds. Maybe they have to fight against the opposition of their families or the governing bodies in their realms to be together.
His character could develop in terms of his relationships with others. Initially, he might be a solitary figure. But with love, he could form stronger bonds with his peers or subordinates. He could learn to trust more and rely on others, which is something he may not have done before. This would show a growth in his social skills and emotional intelligence.
One idea could be that in a modern, magical world, the characters from Maid Sama and Sakura somehow cross paths with Kuuga. Maybe Kuuga is on a mission in their city and stumbles upon the high - school drama of Maid Sama's characters and the magic - filled world of Sakura. He could end up helping them solve a mystery that involves both the normal high - school problems like a school festival going wrong and some magical threats.
Well, one interesting plot could be that Misaki and Usui accidentally swap bodies. This would lead to a lot of comical situations as they try to navigate each other's lives while in the wrong body. Another idea is that a new student arrives at the school who is a childhood friend of Usui's and is very possessive of him, which causes tension in Usui and Misaki's relationship. And yet another could be a story where Misaki loses her memory and Usui has to make her fall in love with him all over again.
One idea could be that the OC is a new composer at the school and catches the attention of one of the princes while they're all competing for a major music project. The OC has a unique style that challenges the traditional methods of the princes.
One idea could be a male OC who is a talented but shy songwriter. He joins the school and has to overcome his shyness to collaborate with the Uta no Prince sama characters. Maybe he has a unique musical style that challenges the traditional styles in the school.
One plot idea could be that fem Harry Potter has to work in a maid cafe as part of a secret mission. Maybe she's undercover to gather information about a dark wizard who frequents the cafe. Another could be that she accidentally ends up in a magical maid cafe in a different dimension and has to find her way back to Hogwarts while dealing with the cafe's wacky rules.
An interesting approach for an 'kaichou wa maid sama oc fanfiction' could be an OC who is an undercover journalist. Their mission is to expose the secret of the maid café but ends up falling in love with the charm of the place and the people. They could start off as a bit of a troublemaker for the characters but then gradually become part of the group, bringing in new storylines and interactions with the existing cast.
Another interesting idea is to create a time - travel scenario within the 'Kaichou wa Maid - sama' universe. What if Misaki somehow travels back in time and has to deal with a younger version of Usui? She would have to navigate her feelings and the situation without revealing too much about their future relationship.
Perhaps a story where a character loses their love due to a misunderstanding, but then through a series of events, they are brought back together. It could involve self - discovery for both characters, realizing that their love was always meant to be, and they have to love and love again after learning from their past mistakes.
One idea could be a story about two young people who meet during a summer vacation at a beach town. They start off as strangers but gradually fall in love as they explore the local attractions together.