The theme of redemption can also be present. If the female Harry Potter is in a world full of ghouls who are often seen as monsters, she might try to find a way to redeem them or at least find a peaceful co - existence. And of course, there's the overarching theme of survival. The Tokyo Ghoul world is a harsh place, and with her combined abilities from both worlds, the female Harry Potter has to fight to survive, whether it's against the ghoul - hunting organizations or other powerful ghouls.
A frequent theme is friendship and alliances. In these fanfictions, the female Harry Potter might form new friendships with the characters from Tokyo Ghoul. This could involve her using her knowledge from the wizarding world to help the ghouls, or the ghouls teaching her about their way of life. There's also the theme of secrecy and acceptance. Just as Harry had to hide her magic in the Muggle world, in Tokyo Ghoul, she might have to hide her wizarding identity among the humans and ghouls, and deal with the acceptance or rejection from both sides.
One common theme is the struggle between two different worlds. Since Harry Potter and Tokyo Ghoul have very different settings, the fanfictions often explore how a female Harry Potter would adapt to the dark and dangerous world of Tokyo Ghoul. Another theme could be power and identity. How does her magical abilities from the Harry Potter world interact with the kagune powers in Tokyo Ghoul? And how does she redefine her identity in this new context.
One common theme is mystery. Ghouls are often depicted as mysterious creatures in the Harry Potter series, and fanfictions tend to explore that further. For example, their origin and their purpose in the Hogwarts castle are often questioned and explored.
One common theme is the struggle for identity. Female Kaneki, being both human and ghoul, constantly has to figure out who she really is. This is often explored through her interactions with both humans and ghouls, and how she feels like she doesn't fully belong to either group.
The themes could be blended by having a common enemy in the form of Medusa. In Harry Potter, there are dark forces that the characters fight against, and in Tokyo Ghoul, there are the conflicts between ghouls and humans. Medusa could be the overarching threat that unites both worlds. Her power to turn things to stone could be a metaphor for the rigidity and destruction in both worlds. For example, in Tokyo Ghoul, the constant struggle between the two species is causing a kind of'stagnation' in society, similar to being turned to stone.
Yes, it is quite common. Fans are always eager to explore more of the world they love, and fanfiction provides an opportunity to do that.
Power struggle is a common theme. You have the super - powered beings from Prototype and the ghouls from Tokyo Ghoul, all vying for control or survival in a merged world.
One common theme is power combination. Since both Naruto and Tokyo Ghoul have unique power systems, fanfics often explore how the ninja techniques and kagune powers can be used together. Another theme is the clash of cultures. The shinobi way from Naruto and the harsh reality of the Tokyo Ghoul world are very different.
The theme of redemption can also be present. Rize's actions towards Kaneki were quite cruel in the original story. Fanfictions may attempt to give her a chance at redemption, perhaps through her relationship with Kaneki. This could involve her showing remorse for what she did and trying to make amends in some way.
One common theme is love and sacrifice. Kaneki and Touken's relationship is often depicted as a deep, selfless love. They might be willing to sacrifice their own safety or desires for the other. For instance, Kaneki could put himself in danger to protect Touka from a powerful enemy.
One common theme is the struggle for identity. The male reader often has to figure out whether they are more human or more ghoul. For example, in many fanfics, they might have human emotions but also the uncontrollable urges of a ghoul.
One big challenge is combining the two very different universes. The magic system in Harry Potter is quite distinct from the kagune - based powers in Tokyo Ghoul. Writers need to find a way to make them co - exist without one overshadowing the other.