Redemption is a very common theme. Genji has a complex backstory, and many fanfictions explore his journey towards redeeming himself. Another theme is his relationship with his brother Hanzo, either mending it or dealing with the past conflicts.
Finding 'Genji x Mercy pregnant fanfiction' might be a bit of a challenge. Since fanfiction is a very diverse and often unregulated space in terms of themes. You could also check fan - made forums and communities dedicated to Overwatch. Sometimes fans share their own works or recommend others' works there, which could potentially lead you to the kind of fanfiction you're looking for.
One common theme is the idea of redemption. Genji, with his past full of mistakes and seeking to atone, and Tracer, who represents hope and a positive future, can often be part of a story where Genji finds more redemption through his relationship with Tracer.
Genji was once a carefree playboy from a powerful family in Japan. But his life changed when his family's criminal empire led to a confrontation with his brother, Hanzo. Hanzo was ordered to kill Genji, which he did, but Genji was saved by Overwatch and turned into a cyborg ninja. He then had to come to terms with his new form and find a new purpose in life, which he eventually did by joining Overwatch to fight for good.
Well, often there might be a theme of acceptance. Genji might have to come to terms with becoming a father and how it changes his view of his new life. Mercy, on the other hand, may deal with themes like how her medical knowledge affects her pregnancy experience. Also, the support they get from their friends in the Overwatch team could be a theme, like how Tracer or Winston might be there for them during this time.
You can start by looking on Archive of Our Own (AO3). It has a large collection of Overwatch fanfictions, including many about Genji. Another option is Fanfiction.net, though the quality can vary more there. Also, check out some Overwatch - related forums and communities where fans might share their favorite Genji fanfictions.
One popular theme could be the reaction of the other Overwatch characters. For example, how her teammates support her during her pregnancy. Another theme might be Mercy's own concerns about balancing her role in Overwatch while being pregnant. Some fanfictions may also focus on the father of the baby, if it's a character within the Overwatch universe, and how their relationship evolves.
Honestly, it's tough to single out specific 'best' authors. But those who are able to bring out the humanity in Mercy during her pregnancy are usually great. Look for authors who can write about her relationships with other characters in a believable way. Also, authors who are creative in exploring the implications of her pregnancy on the Overwatch universe, like how it affects team dynamics or future storylines, are worth checking out.
Sure. There are a lot of great non - sexual fanfictions out there. They can be about their friendship, or how they might collaborate to face a common enemy. It could also be about their backstories and how those backstories intersect in interesting ways that don't involve sexual content. Fanfiction writers often get creative with exploring the emotional and professional relationships between characters.
One common theme is the healer - patient relationship. Since Mercy is a healer in Overwatch, often the OC is in need of her medical assistance, which then leads to a deeper connection. Another theme is the exploration of Mercy's angelic nature and how the OC relates to it, like being inspired by her or having a spiritual connection.