The main characters are the 'girls' who are at the heart of the 'daddy fantasy'. They are the ones whose stories are being told. The 'daddy' is a key character that shapes their experiences. There may also be a teacher or a mentor - like character in the story, who provides different perspectives and helps the girls in their growth within the context of the 'daddy fantasy girls story'.
Most likely, the main characters would be the 'girls' themselves. And of course, the 'daddy' character would also be a central figure. There might also be other supporting characters like friends of the girls, or family members other than the 'daddy' that contribute to the overall story.
Since it's called 'daddy's girls novel', the obvious main characters would be the father and his daughters. There might also be other supporting characters like the mother, friends of the daughters, or relatives who interact with this central family unit and play important roles in the story.
Most probably, the daddy is a central character. And his daughters, who are the 'little girls' in the title, are also main characters. There might also be other characters like the mother, if she's part of the story, or friends of the family or the daughters that play important roles in the plot. Maybe there are neighbors or relatives that influence the family's story in some way.
Perhaps in the 'daddy long neck story', there is a villain as well. If Daddy Long Neck is a heroic figure, there could be a character who tries to cause trouble for him because of his long neck. Maybe this villain is jealous of Daddy Long Neck's ability to reach high places. So, the main characters could be Daddy Long Neck, his family or friends, and this villain.
In the 'gay shaved for daddy story', the central characters are surely the gay individual. This person is likely to be young - at - heart or younger in age, and the 'daddy' who is an older or more dominant figure in the relationship. The story might also involve friends or other people in their social circle who either support or oppose this relationship dynamic, but the main focus would be on these two characters and their interactions.
Often, the main character is the daddy long legs. However, in certain stories, there might be other small critters like ants or beetles that interact with the daddy long legs. For example, they could be neighbors in a little corner of the garden. The ants might be busy gathering food while the daddy long legs is just hanging out. And the interactions between them, like the daddy long legs accidentally getting in the way of the ants' path, can form part of the story.
One common theme might be growth and development. The 'girls' in the 'daddy fantasy girls story' could be going through different stages of life, and the story could explore how they deal with challenges and changes. Another theme could be love, whether it's family love with the 'daddy' figure or friendship among the girls themselves.
Since I don't have access to the actual 'sakura daddy fanfic', it's difficult to determine the exact main characters. But based on the title, it seems that Sakura and the 'daddy' character would be the main focus.
Another character that might be present is Spike. His complex relationship with Buffy in the original series can be further explored in relation to the 'Daddy' concept. Whether he's an antagonist or an ally in the context of the fanfic can vary greatly, but his presence always adds an interesting dynamic to the story.
Since I don't know the exact story, I can only guess. There's probably the daddy, who is the main character based on the title. And there might be his children or family members.
The main characters are clearly Daddy Jack and little Maddie.