Some possible titles could be 'Mitsukuni and My OC: An Unlikely Bond', 'The Encounter of Mitsukuni and My OC', 'Mitsukuni's Adventure with My OC'.
Well, you could go for something like 'Mitsukuni and the OC: A New Story'. Another option is 'In the World of Mitsukuni and My OC'. Or perhaps 'Mitsukuni's Interaction with My OC'. These titles give a sense of the relationship between Mitsukuni and the original character in the fanfiction.
Here are some more detailed thoughts on titles. 'The Enigmatic Bond between Mitsukuni and My OC' could work as it implies there's something mysterious about their connection. 'Mitsukuni and My OC: A Journey of Discovery' is also good because it suggests that as the story progresses, they will discover things about each other. And 'My OC's Entanglement with Mitsukuni' gives the idea that their relationship is complex and full of twists and turns.
The development of their relationship over time is crucial. For example, how they start as strangers and gradually become friends or more. Also, their shared experiences, like going through a difficult task together or having a fun adventure. These elements can make the fanfiction engaging.
One possible title could be 'Scarecrow and My OC: An Unlikely Bond'.
A simple yet effective title could be 'Percy x OC: A Fan - Created Story'. It clearly states what the fanfiction is about, that it involves Percy and an original character, and that it's a story created by a fan.
One possible title could be 'Crowley and the Mysterious OC: An Unlikely Bond'.
How about 'The Encounter of Sephiroth and His Male OC Counterpart: A Fanfiction'. This title gives an idea that the story might be about how Sephiroth meets the male OC and what kind of relationship or interactions they will have. It also clearly states that it is a fanfiction which can attract the right audience who are interested in this particular pairing.
One possible title could be 'The Encounter: Female Wolfman and the OC'.
A simple title could be 'Jamie Reagan and the OC: An Unlikely Bond'.
How about 'Persona 4 OC's Adventure with Naoto: A Fanfiction Tale'? This title not only indicates the main characters which are the OC from Persona 4 and Naoto but also implies that there will be an adventure involved. It gives a sense of excitement and mystery which might attract readers to check out the fanfiction.
One possible title could be 'Kiba and the OC: A Forbidden Love in the Lemon Grove'.
Some possible titles could be 'Aayla Secura and My OC: An Unlikely Bond' or 'The Adventures of Aayla Secura and My OC'. Another option might be 'Aayla Secura Meets My Original Character'.