Well, 'Goku's Galactic Harem' is also quite known. In this fanfic, Goku travels across the galaxy and gathers female allies who gradually become part of his harem. The stories often include epic battles against powerful foes, and the harem members use their unique skills to support Goku. It's interesting to see how Goku's character is adapted to fit into a harem - themed story, as he is usually so focused on fighting and training in the original series.
Definitely Orihime. She is the type who would be easily attracted to Goku's pure - heartedness and his determination to protect. Her own insecurities might be soothed by Goku's confidence. Rukia, with her sense of duty, could find herself drawn to Goku's selfless acts of heroism. And Neliel could also be part of the harem. Her child - like form and yet powerful true form would create an interesting relationship with Goku, as he might be protective of her in her child form and respect her power in her true form.
One common theme is the exploration of Goku's relationships outside of his usual fighting and training. Another is the development of the female characters in the harem, showing their unique personalities and how they interact with Goku.
One idea could be a story where Goku is transported to the Bleach universe and somehow ends up attracting a harem of female characters from Bleach. For example, Orihime could be intrigued by Goku's incredible strength and kind heart, and gradually develop feelings for him. Another could be that Goku saves Rukia from a powerful enemy in the Bleach world, and as a result, she and other female Soul Reapers start to follow Goku around, leading to a harem - like situation.
Typically, the development of relationships in Goku x Harem fanfics is quite complex. Goku, being rather naive in the matters of love in the original series, has to learn about emotions and relationships. The female characters in the harem usually bring out different sides of Goku. Some might be strong - willed and challenge him, which helps him grow not just as a fighter but also as a person in terms of emotional intelligence. They often go through various trials together, like facing powerful enemies or solving intergalactic mysteries, which deepens their relationships.
Bulma could be one of the characters in the harem. She has a long - standing relationship with Goku and her intelligence could complement Goku's power. Another could be Chi - Chi, his wife. Her fierce loyalty and determination would make her an interesting part of the harem.
Love and redemption can also be common themes. Sometimes the harem members help Goku Black to find a new path or redeem himself through their love. It adds an interesting layer to his character.
It can be. There are fans who love to explore different relationship dynamics for Goku in a harem - like setting in fanfiction. But the 'lemon' part might put off some readers. Some communities have strict rules against such content. So in a more open - minded and lenient fanfiction community, it could be relatively popular, but not so much in a conservative one.
One interesting concept could be the power dynamics. Since Black Goku is a powerful and often malevolent version of Goku, exploring how their powers interact in a fanfiction can be exciting. For example, they might have an epic battle where their similar yet different fighting styles clash.
Character development is also crucial. In many such fanfictions, Female Goku Black may start as a villainous or at least antagonistic character. But as the story unfolds, she might change due to her interactions with Goku. This transformation can be really interesting to follow. For example, she could start to question her own motives or even develop feelings for Goku, which is a big shift from her initial stance.