One common theme is the admiration of strength. Goku is extremely powerful, and in many fanfictions, Videl is initially drawn to his power, which then evolves into love.
Another theme is the discovery of inner qualities. Videl often gets to know Goku on a deeper level, like his kindness, loyalty, and selflessness. These traits make her fall for him. For example, in some fanfictions, Goku's dedication to protecting his family and friends despite great danger shows Videl his true character.
One common theme is adventure. Since both Goku and Videl are fighters, they often go on adventures together in fanfiction. Another theme is love and relationship development, as fans like to explore how their relationship might grow.
Another theme is the growth of their relationship over time. In some stories, we see how they first met and how their feelings gradually changed. There are also fanfictions that focus on the cultural differences between them, as Goku was raised by Grandpa Gohan and has a more simple - minded view of relationships compared to Chichi, who was raised in a more traditional martial arts family. This creates interesting dynamics in their relationship.
There's also a fanfiction called 'Love Beyond Strength'. In this story, Videl is initially attracted to Goku's incredible power. But as she spends more time with him, she discovers his kind heart and gentle side, leading to her falling in love. It has some really interesting character interactions that bring out the essence of their relationship.
Another theme is family. Since they end up having a family in the original story, fanfictions usually explore how they build and protect their family together. For example, how Gohan teaches his kids about their Saiyan heritage with Videl's support.
A very prevalent theme is the growth of their relationship. It usually begins with some sort of attraction, like Videl being intrigued by Gohan's strength and Gohan by Videl's determination. Then it develops into a deeper emotional connection. Also, the theme of overcoming differences is often there. They come from different backgrounds in the Dragon Ball world, and the fanfiction shows how they bridge those gaps.
One common theme is the exploration of their relationship in an alternate universe. Maybe in a world where Gine didn't die and they could actually meet and fall in love. Another theme could be the challenges they face as a couple, like dealing with Goku's Saiyan nature and his constant battles.
One common theme is the 'forbidden love' aspect, as they come from different backgrounds or timelines. Another could be the power couple theme, where their combined strength is a major focus. And sometimes, there's the theme of redemption, where their love helps one or both of them overcome past mistakes.
One common theme is the idea of redemption. Android 18 was initially a villain, and in some fanfics, Goku's love helps her find a new path. Another theme is the power couple aspect, as they are both very strong characters.
Often, a common theme is the discovery of new emotions. Goku, who has mainly focused on fighting and protecting, may find himself in uncharted territory when it comes to love with Caulifla. And for Caulifla, she might be intrigued by Goku's unique personality and abilities. There could also be themes related to the challenges they face together, not just from external enemies but also from their own respective communities who may not understand their relationship.
One common theme is the power couple dynamic. Since both Goku and Kale are powerful fighters in the Dragon Ball universe, their relationship in fanfiction often showcases them as a strong pair, facing enemies together.