What are the common themes in Sirius and OC fanfiction?

Love and friendship are also big themes. The OC and Sirius usually start as friends or strangers and then develop a deep romantic relationship. Their love story might be set against the backdrop of the wizarding world's turmoil, like the fight against Voldemort. It adds an element of danger and excitement to their relationship.

One common theme is forbidden love. Since Sirius has his own complex situation within the wizarding world, often the relationship with the OC is something that is not easily accepted. For example, in many stories, his family might oppose it.

One common theme is the exploration of complex relationships. Since it involves three characters, there's often a lot of emotional drama and the navigation of feelings among them.

Another theme is the growth of the relationship. The pregnancy can either strengthen or test the bond between Sirius and the OC. Sometimes it shows how they come closer together, learning about each other on a deeper level.

Love and friendship are also common themes. The OC often forms a deep bond with Sirius, whether it's a romantic love or a strong friendship. This bond helps to develop both characters and drive the story forward. They might go through challenges together and their relationship grows stronger as a result.

Another theme is family. Since Harry lacks a proper family, Sirius becomes like family to him. Fanfictions explore how they create a family - like bond in the absence of Harry's real family. It can be really emotional.

One common theme is redemption. Many fanfics explore the idea of Snape or Sirius finding a way to redeem themselves in the eyes of the other. For example, Snape might do something heroic to earn Sirius' respect.

One common theme is freedom. Both Buckbeak and Sirius have been wronged and are in a fight for their freedom. In many fanfictions, they help each other achieve that freedom, whether it's Sirius using Buckbeak to escape or Buckbeak being freed with Sirius' help.

One common theme is redemption. Draco, having been on the wrong side in the war, often has a journey of self - discovery and redemption, and Sirius can play a part in that. For example, Sirius might help Draco see the error of his ways.

Friendship is a very common theme. Their deep bond as friends is often explored. Another one is loyalty. They are always there for each other in fanfictions.