Hinata is also a likely candidate. She has always had a crush on Naruto. In a secret dating fanfic, they could start dating in secret because Hinata is shy and Naruto wants to protect her from any potential negative attention in the village.
Sakura could be a possible love interest. Even though in the original series she has feelings for Sasuke, in a fanfic, things could be different. Maybe Naruto and Sakura realize they have more in common as they grow older and start secretly dating.
Sakura could also be an interesting choice. If the story takes a different turn from the original, Sakura could realize that Naruto has qualities she overlooked before. Their relationship could be filled with lots of banter and growth as they learn more about each other.
She could be an ordinary girl who just happened to be at the right place at the right time and caught Izuku's eye. Maybe she was at a hero event and Izuku noticed her kindness towards the other attendees.
One possible love interest could be Hinata. In the original series, she had a long - standing crush on Naruto. In a fanfic, their relationship could develop further. Hinata is kind - hearted and has always supported Naruto, which makes her a great candidate for his love in the fanfic.
Another plot could be that Naruto is secretly dating someone who is a bit of an outcast in the village, like a person with a unique chakra ability that others don't understand. They bond over feeling different, and Naruto has to protect their relationship from those who might not approve.
Perhaps a skilled blacksmith in her own village. He is always creating amazing weapons and armor for the warriors, and Ruffnut is drawn to his creativity and strength. He also admires her courage and adventurous spirit, and they slowly develop feelings for each other over time as they interact more while she gets her gear fixed or upgraded.
It could be a heroic character like a well - known superhero. For instance, if it's in a universe where she interacts with other heroes, she might fall for someone like Superman. Their different personalities and moral compasses could create an interesting dynamic when the kiss happens.
A Vaporeon could also be a potential love interest. Water and ice have a close relationship in the Pokémon world. Glaceon and Vaporeon could meet near a frozen lake that is starting to thaw. Vaporeon's fluid movements and Glaceon's icy grace could make them an attractive couple as they explore their feelings for each other.
In the 'izuku secretly dating a girl fanfic', the plot could be that the girl is actually from a rival school. Izuku is initially hesitant about the relationship because of the potential conflict of interest. But their feelings for each other are too strong. They date secretly, and there could be some close calls where they almost get caught by classmates or teachers from either school.
Maybe it could be a fellow shinobi from his own village. They've trained together and over time, feelings develop. This person would understand the shinobi life that Tobirama leads, which could make their relationship easier in some ways, but there would still be 'expenses' like the danger they both face in their missions and how that affects their relationship.
Maybe a mysterious stranger who comes into Beckett's life by chance. For example, a writer who is doing research in the same library as Beckett. They strike up a conversation about books, and there is an instant connection that leads to a deeper relationship.