Kankuro could use his puppet - making skills to his advantage. He could create puppets that are resistant to the elements in the One Piece world, like water - proof puppets since there are a lot of sea - related challenges there. Also, he could make puppets that can fly to deal with the various islands and different terrains.
One idea could be that Sakura uses her medical ninjutsu to heal Kankuro after he gets seriously injured in a battle against a powerful enemy. She has to overcome various challenges like limited supplies and the unique nature of Kankuro's puppet - related injuries.
One great 'Kankuro x Reader' fanfiction is 'The Puppeteer's Heart'. It beautifully captures Kankuro's complex personality. The story starts with the reader accidentally stumbling upon Kankuro's puppet - making workshop. From there, a slow - burning relationship develops. It's filled with moments of Kankuro being both mysterious and endearing.
A plot twist could be that the method Sakura uses to heal Kankuro has an unexpected side effect. For example, it gives him a temporary boost in his puppet - using abilities that he has to quickly learn to control.
One plot could be that Kankuro falls for a healer in the village. She mends his wounds after a battle. He is attracted to her gentle nature. They spend time together as she teaches him about herbs and he shows her his puppets. Their relationship blossoms from there.
Another aspect is the potential for character development. Through the events in the 'kankuro lemon fanfic', Kankuro could grow and change in ways that are not seen in the original. This could involve his views on certain things evolving, or his skills and abilities being enhanced in unique situations.
A possible fanfiction could be set in a post - war scenario. Kankuro and Sakura are part of a group that is trying to rebuild relations between their respective villages. They often have debates on how to best achieve this. Along the way, they also discover that they have more in common than they thought, which leads to a deeper connection between them.
A key element is their contrasting personalities. Kankuro is more of a brooding and mysterious type, while Kiba is bold and energetic. Their interactions based on these differences are often explored.
One interesting thing is how their personalities might be explored in fanfiction. Kankuro is often seen as a bit of a trickster, while Tenten is determined. Their different traits could lead to some engaging storylines, like Tenten trying to get Kankuro to take things more seriously, or Kankuro teaching Tenten to be more flexible in her thinking.
I'm not sure specifically about 'gaara and kankuro lemon fanfiction'. Fanfiction can vary greatly in quality and availability. You could try searching on popular fanfiction websites like Archive of Our Own or FanFiction.net. However, make sure to abide by their terms and conditions.