An idea could be that Fries and Puffball are in a race across a vast desert. Along the way, they encounter sandstorms and other challenges, and they have to rely on each other's strengths. Fries' crispy texture helps them dig in the sand to find water, and Puffball's lightness allows it to glide over quicksand.
One fanfiction concept is that Fries and Puffball are part of a detective agency. They are on the case to solve the mystery of the missing magical spices in their town. They interview different food - like characters, and in the end, they find out that it was a jealous tomato who hid the spices because he wanted more attention.
Well, perhaps a fanfiction where Fries and Puffball become superheroes. They use their unique abilities, like Fries being able to stretch really long to reach things and Puffball being able to float, to save their world from an evil villain.
It depends. Maybe if I'm really hungry and the fries look good.
In a long - distance relationship, the guy planned a surprise visit to his girlfriend. When he showed up at her place, she was so shocked that she blurted out 'What are you doing here? I was just about to break up with you!' Turns out she had been thinking about it for a while but hadn't found the right time. He was so embarrassed and just left immediately.
In a different scenario, Batman is transported to the realm of Athena in some sort of magical accident. There, he has to prove himself worthy to her. He learns from her about justice in a different light, not just the street - level justice he's used to in Gotham. When he returns to Gotham, he has a new perspective on how to deal with crime and corruption.
Another possibility is that Clayface somehow gets transported to the Naruto universe. The shinobi in the Naruto world would be very confused by his abilities. Clayface could try to blend in by mimicking the appearance of different shinobi, but his lack of chakra would give him away. Naruto might see through his disguise easily due to his own perceptive skills.
One idea could be a crossover where Naruto is transported to Noire's world. He could use his ninja skills to help Noire in her battles against the various threats in her realm. For example, Naruto's shadow clone jutsu could be used to confuse the enemies while Noire attacks from a different angle.
One idea could be a crossover where Naruto and his friends are transported to the Soul Society. Naruto's positive attitude and determination might inspire the Soul Reapers in a new way. He could learn some of their techniques, and in return, teach them about chakra and his own ninja skills.
A possible fanfiction plot is that Naruto has a strange dream about a powerful being named Yubel. Intrigued, he sets out on a journey to find out more about her. Along the way, he meets different characters who either know about Yubel or have some connection to the power she wields. This journey changes Naruto in ways he didn't expect, and he eventually finds a way to communicate with Yubel across different dimensions.
One idea could be a crossover where Naruto, with his ninja skills, is transported to Celty's world. He might team up with Celty to solve some mystery in her city. Naruto's ability to sense danger and Celty's unique skills could make for an interesting partnership.
A more comical fanfiction could be about Kale trying to adapt to the food in the Naruto world. Naruto could introduce her to ramen, and she might have some really funny reactions, while also sharing some Saiyan cuisine with Naruto and his friends.