The OC can stand out by having a distinct personality. For example, if all the other harem members are bold and outgoing, the OC could be more reserved and intellectual. This contrast would make them interesting. Also, a unique skill or ability, like being able to communicate with spirits, would set them apart.
The OC can stand out among the harem members by having a different goal or motivation. Let's say the other members are mainly focused on power and status within the school or the supernatural world. But the OC is more interested in finding a way to bring peace between different factions. This unique objective would make the OC a standout figure in the harem, and it would also influence how they interact with the other members.
The OC can stand out by having a distinct personality. For example, if most of the harem members are more on the outgoing and aggressive side, the OC could be calm and collected. Their different approach to situations would make them noticeable. Also, having a unique power or ability that no one else in the harem has would definitely set them apart.
An OC could stand out by having a special skill or talent. Maybe the OC is an amazing cook and can make the most delicious food. In a world where battles and magic are common, this simple yet appealing talent could draw in characters from the series. They would be intrigued by this different side of the OC and gradually form a harem around them. It also gives a chance for some cute and comical interactions, like when the characters are all eagerly waiting for the OC's next meal.
The OC's personality can be very distinct. They could be extremely humorous and use that to lighten the mood during tense situations. This would be different from the more serious natures of some of the Justice League members like Batman. Also, they could have a strong moral code that is not exactly the same as the League's, which would lead to interesting discussions and interactions.
The OC could have a unique appearance, like having heterochromatic eyes, one gold like Lucifer's and one a deep purple. Their hair could be a color not seen often in the series, such as silver. And they could have a special mark on their body that is related to their power or connection to Lucifer.
Giving the elf OC a distinct personality trait. Such as being extremely curious about human technology and constantly trying to incorporate it into their elven magic. This would create humorous and interesting situations as they interact with the other characters who are more used to traditional magic and may not understand their fascination with modern gadgets.
Power - building is a common theme. The OC usually starts off with some sort of special ability or knowledge and uses it to gain more power in the Highschool DxD universe. This power - building often attracts the attention of various female characters, leading to the formation of the harem.
A Highschool DxD SI Gamer OC fanfiction can stand out by having a really unique SI OC design. For example, if the character has a very distinct backstory related to their gaming experience, like they were a pro - gamer in a previous life and now they have to use those skills in the Highschool DxD world. This makes the character more interesting and different from the regular characters in the series.
There's also 'Rising of the OC in DxD'. In this fanfiction, the OC is a reincarnated being. He uses his past - life knowledge to his advantage in the world of Highschool DxD. His harem includes characters from different factions, and the story delves into how he manages to keep them all together while facing various challenges from the supernatural world.
You might want to check out 'The Lone Knight in Highschool DxD'. The OC in this story really dislikes the harem aspect and has some interesting interactions because of it.
Well, you might want to check out 'The Lone Warrior in Highschool DxD'. The OC in this one really dislikes the harem concept and it's got some interesting plot twists.