In some 'boy has puppies fanfic', the puppies might have some special abilities. For example, they could be magical puppies. And the boy has to figure out how to handle these special puppies, protect them from those who might want to use their powers for bad, and at the same time, use their powers for good in the world. This could lead to all sorts of adventures for the boy and his puppies.
A possible plotline could be that the boy finds the puppies abandoned and decides to take them in and care for them. He then has to deal with things like feeding them, finding a place for them to sleep, and training them.
Maybe the boy is given the puppies as a gift. But he has to overcome some challenges in his family or community because not everyone is okay with him having the puppies. So it's about him fighting for the right to keep and raise the puppies in a loving way.
I'm not sure about specific 'boy has puppies fanfic' stories off - hand. But you could try searching on fanfic platforms like Archive of Our Own. There are a lot of user - generated stories there, and you might be able to find some that fit this theme.
A possible plotline could be Naruto's discovery of his Shikotsumyaku. He might initially be confused and scared when he first realizes he can grow bones in strange ways. Then, he has to keep it a secret while he tries to figure out what's going on. Another plotline could involve Naruto being hunted by a group who wants to use his Shikotsumyaku for their own evil purposes. They might try to capture him and force him to use his power against his will.
Perhaps the hickey is a result of a romantic encounter with a mysterious character. And the fic could revolve around Harry trying to figure out his feelings for this person while also dealing with the physical evidence of their closeness. The plot could also involve his friends noticing the hickey and teasing him or being concerned about him.
One possible plotline could be Naruto having to control the power of the Jubbi. He might struggle at first, but with his determination, he gradually learns to harness it for good, like using it to protect the Hidden Leaf Village from a new, powerful enemy.
One possible plotline could be that Jon discovers he has a special bond with the dragons. Maybe he can communicate with them telepathically. He could then use this connection to gain power and fight against his enemies. Another plotline might involve Jon trying to tame a wild dragon that no one else has been able to.
One possible plotline could be Naruto being used as a weapon. Since he has no emotions, he can be easily manipulated. The villains might see him as an opportunity to cause chaos in the village. Another plotline could be Naruto's journey to understand what emotions are. He might observe his friends and wonder why they act the way they do. Maybe he starts to mimic their actions to fit in, but still doesn't truly feel anything.
One possible plotline could be Naruto forming an unexpected bond with the Ichibi. Maybe he discovers a new way to communicate with it that no one else has. This could lead to him using the Ichibi's power in a unique way during battles, like combining its chakra with his own shadow clones in a more powerful form.
It could be that Bella starts the affair out of a sense of boredom in her current relationship. As the fanfic progresses, she might realize the mistake she's made and have to face the consequences, like losing the trust of her partner and having to deal with her own guilt.
In a scientific experiment gone wrong scenario, a boy volunteers for a cutting - edge experiment. There's a malfunction in the technology that was supposed to enhance human abilities. Instead, it alters his genetic makeup and he turns into a girl. He struggles to come to terms with this new physical form while also dealing with the scientific community trying to fix their mistake.
One possible plotline could be that the boy accidentally wandered into the girls' locker room by mistake, perhaps due to some confusion in the layout of the school. Another could be that he was dared by his friends to go in, which then leads to various consequences like getting in trouble with the school authorities or having to apologize to the girls. Maybe there's a situation where he was looking for something or someone and ended up in the wrong place.