The other Tenshi would be a main character as well. She might bring new powers or a different view of the angelic side compared to what we've seen before in the D.N. Angel series.
A third storyline could be that there is a mystery surrounding the new Tenshi. Dark is drawn into it as he tries to figure out who she really is. Along the way, they encounter various obstacles and challenges, both physical and emotional, that test their relationship and their own identities.
Based on the title, the main characters are likely 'dark' and 'another tenshi'. But without reading the fanfiction, it's hard to say if there will be other important characters that play significant roles in the story.
Fanfiction about D.N. Angel's Riku and Dark can explore many aspects. It might focus on their complex relationship. For example, how Riku's innocence contrasts with Dark's more mysterious and sometimes mischievous nature. It could also delve into the emotional turmoil that Riku might experience when dealing with Dark, whether it's fear, fascination, or a sense of protection.
I think from 'dark meets another tenshi fanfiction', we might see a unique world - building. Since it's a fanfiction, it could take the original concepts related to 'tenshi' and add a new twist with the 'dark' element. It could show how these two elements interact in a fictional setting, like in a magical or other - worldly place.
One common theme is the exploration of forbidden love. Since Dark is a phantom thief and Riku is an ordinary girl in a sense, their relationship is often portrayed as something that goes against the norms. Another theme is self - discovery. Riku may discover more about herself through her interactions with Dark, and Dark may also learn more about his own emotions.
The appeal of 'dn angel dark and risa fanfiction' lies in the complex relationship between the two characters. Dark is such an enigmatic figure, and Risa has her own charm. Their interactions can be full of tension and intrigue.
Well, of course, Dark is a key character. He has his own set of powers and a past that is gradually revealed in the fanfiction. Risa is also central. She's the one who forms a special bond with Dark. In many stories, their relationship is what drives the plot forward. There are also other characters from the Dn Angel universe that might make appearances, but Dark and Risa are the main focus in this type of fanfiction.
One good 'dn angel dark and risa fanfiction' is 'The Unseen Bond'. It beautifully explores the relationship between Dark and Risa in a way that feels very true to their characters. The author delves deep into their emotions and the unique situation they are in within the DN Angel universe.
Maybe the OC is an artist who can see the true forms of the artworks that Dark uses to transform. She becomes involved in his missions when she accidentally stumbles upon one of his hideouts. The OC could be initially distrustful of Dark but slowly starts to understand his motives as they work together to protect the artworks from the bad guys in the D.N.Angel universe.