A possible theme is the redefinition of roles. Sans, who is not typically associated with giving birth, going through this experience can make other characters and the story itself reevaluate what they think about traditional roles. Also, it could be about the power of friendship. Friends in the Undertale fanfiction could help sans through this difficult and strange process, showing that they are there for each other no matter how odd the situation.
In non - adult - related 'sans gives birth undertale fanfiction', there could be a theme of discovery. Sans discovers new aspects of himself during this process. There might also be a theme of acceptance, as the other characters in the story accept this strange event and sans in this new state. And finally, it could be about the mystery of how such a thing could happen in the Undertale world, with the characters trying to figure it out together.
I'm not sure if there are a lot of such fanfictions that are suitable for all ages. It depends on how different authors approach the rather unusual concept. Some might focus on the comical aspect of it and keep it clean, while others could take it in a direction that is not appropriate. However, if you search carefully, you may find some that are okay for general audiences.
One common theme is friendship. The OC often forms a strong bond with Sans, going through various adventures together. Another theme is self - discovery. The OC might be on a journey to find out who they are in the context of the Undertale world.
The theme of family also pops up. Sometimes, the fanfiction will explore the idea of Baby Sans within a family unit, whether it's his relationship with his 'parent' figure or how he fits into the broader family of the Underground. This can create really touching and emotional storylines as he navigates the dynamics of family love and support.
One common theme is friendship. Since the undertale world is full of various characters, many fanfictions explore how female Sans forms friendships. Another theme is self - discovery. Female Sans often goes on a journey to find out more about herself and her powers. And there's also the theme of family, as she may interact with Papyrus or other related characters in different ways.
The theme of chaos and order also appears frequently. When Sans crosses over into other universes, it can disrupt the existing order or he might be the one to bring order to a chaotic situation. This creates interesting storylines as he has to navigate through these new power dynamics and relationships. Also, there can be a theme of redemption in some cases, where Sans helps a character who has made mistakes in their own universe.
In 'Undertale Pregnant Sans' fanfiction, a frequently seen theme is the relationship dynamics. How Sans' relationships, whether it's with his friends or family (if applicable in the fanfiction's interpretation), are affected. There might also be themes related to the challenges he faces during the pregnancy, like dealing with potential threats in the Underground while being in a vulnerable state. Also, some fanfictions might explore the idea of Sans preparing for the new life that's coming, which could involve everything from gathering resources to making emotional preparations.
A common theme is the power of friendship. Despite their differences, Chara and Sans can form a bond that helps them both grow. Another theme is the exploration of good and evil. Chara has a complex moral standing, and Sans is often seen as a more morally 'good' character. Their relationship can be used to question what is truly good or evil.
One common theme is the celebration of new life. It often shows how Belle and those around her are filled with joy at the arrival of the baby. Another theme is the transformation of Belle as a character. Becoming a mother changes her perspective and priorities.
One common theme could be identity. Draco's identity as a male who is giving birth challenges the norms, and fanfictions may explore how he grapples with this new aspect of himself. Another theme might be acceptance, both self - acceptance and acceptance from others in the wizarding world.
Family support is a common theme. Ginny's family, like her parents and siblings, are often shown rallying around her during the birth. It shows the strong family bonds in these stories.