What are some interesting plot ideas for 'Highschool DxD OC Hybrid Fanfiction'?

A fanfiction could center around a hybrid who is trying to bridge the gap between the different supernatural groups in the highschool dxd universe. They could start a club or an organization that promotes peace and understanding among devils, angels, and other beings. This would involve a lot of character development as they face opposition from traditionalists in each group who don't want things to change.

One idea could be a dragon hybrid character who is trying to hide their true nature in the high school setting of Highschool DxD. They constantly have to struggle with the urges and powers that come with being a dragon hybrid while also dealing with the typical high school drama.

Another plot could involve the OC being sent by an unknown force to either help or hinder Lucifer. They initially seem like an enemy but as the story progresses, it's revealed that they are actually on the same side. They could team up to fight against a common threat to the devil world, like an ancient evil that is starting to rise again.

One idea could be an OC demigod who has the power of a forgotten god. They could use this power to help the main characters in unexpected ways, like having the ability to manipulate time on a small scale during battles. Another plot could involve the OC demigod trying to find their place in the world of Highschool DxD, being half - god and half - something else. They might struggle with acceptance from both the devil and angel factions.

One idea could be an OC who is a gamer and discovers a hidden power within the Highschool DxD universe while playing a virtual reality game related to it. This power could be something unique like the ability to control shadows in the DxD world.

One interesting plot idea could be an OC with a Sharingan who transfers to the Highschool Dxd world. They could use their Sharingan abilities to detect the devils' true forms and powers. For example, during a Rating Game, the OC could analyze the opponents' strategies in an instant using the Sharingan's precognitive abilities.

One idea could be a Neko OC who has a unique power, like the ability to control shadows. She could use this power to protect the main characters in secret, and as the story progresses, she gradually reveals herself and her motives. Another plot could involve a Neko OC from a different dimension who gets lost in the Highschool DxD world and has to find a way back while getting involved in the local supernatural affairs. Maybe she forms an unexpected alliance with a group of devils or angels.

One idea could be an OC who is an exorcist with a special power to see the true forms of devils. They could start off as an enemy to the devils in the Highschool DxD world but then gradually form alliances due to a common threat. For example, a new, more powerful and evil force emerges that targets both exorcists and devils.

The OC could be a new transfer student with a mysterious past. As the story progresses, it's revealed that they are on a quest to find a powerful artifact that is somehow connected to the characters in the harem. This could lead to adventures together, and the building of deeper relationships within the harem.

One idea could be an OC who discovers an ancient and forgotten form of Excalibur. This could lead to a power struggle among the various factions in the Highschool DxD universe as they all vie for control of this newfound power. The OC would have to navigate through political intrigue and dangerous battles to keep the Excalibur safe.