The 'arakune central fiction story' could be a narrative that revolves around the character or entity named Arakune. It might involve his origin, his goals, and his relationships with other characters in the 'Central Fiction' world. Maybe it's about his journey, the challenges he faces, and how he overcomes them. However, without further information, this is all speculation.
In the 'arakune central fiction story', if Arakune is the focus, there could be a mentor - like figure who helps him understand his powers or purpose. Another possible main character could be a love interest, which often adds an emotional dimension to the story. And of course, there might be a powerful villain who is constantly in conflict with Arakune, driving the main plot of the story forward.