In the fanfiction, perhaps Ace and Marco are exploring an ancient, cursed ship. There are signs of a dark magic that has taken over the ship. Ace starts to feel a strange coldness, which is unusual for him as he is a fire - user. Marco notices that his healing abilities are being suppressed. As they go deeper into the ship, they encounter terrifying apparitions of former pirates who died in a tragic way on the ship. They must figure out how to break the curse and escape this haunted place together.
Maybe in this fanfiction, Ace and Marco find themselves in a town that has been taken over by a dark force. People in the town are acting strange and seem to be in a trance. Ace and Marco are initially scared because they don't understand what's going on. They start to investigate and find out that there is a powerful sorcerer behind all this. The sorcerer tries to separate them and turn them against each other, but they resist because of their strong bond. They then come up with a plan to defeat the sorcerer and free the town.
One possible scenario in this fanfiction could be that Ace and Marco are facing a powerful and unknown enemy in a spooky, haunted island. The island is filled with strange noises and dark shadows. Ace's fire powers seem to be ineffective against this new threat as it keeps disappearing and reappearing. Marco, with his phoenix abilities, tries to scout from the air but gets caught in some sort of dark mist. They have to rely on each other and their friendship to overcome their fear and find a way to defeat this mysterious foe.
It could be that they are trapped in a dark dimension. Here, the laws of the normal world don't apply. Ace tries to create fire, but it turns into ice instead. Marco's wings start to freeze when he tries to fly. They are surrounded by strange creatures that seem to be made of pure darkness. They have to work together to find a portal that will take them back to their world. Ace uses his intuition and Marco uses his knowledge of the One Piece world to search for clues on how to escape.
Growth is a prevalent theme. As they go through various battles and experiences in the fanfictions, they grow both as individuals and in their relationship. Their understanding of each other and their own abilities develops. Additionally, the theme of brotherhood is strong. They are like brothers in the crew, and this brotherly love is often a central focus in these fanfictions.
One of the key themes could be loyalty. In a possessive relationship in this fanfiction, Ace and Marco might show extreme loyalty to each other. They could be possessive because they don't want to lose what they have in each other. Another theme might be sacrifice. Given their personalities in One Piece, they might be willing to sacrifice a lot for the other in this possessive dynamic.
Maybe it's a cold night at sea. Ace, who's not used to the cold as much as Marco, huddles up to him. Marco, being the kind-hearted person he is, just pulls Ace closer. They start reminiscing about their adventures and friends, creating a really warm and fuzzy moment.
A popular fanfic is 'Under the Same Sky: Marco x Ace'. It delves deep into their characters, exploring their individual strengths and how those qualities blend when they are together. It also has some great action scenes and emotional moments that are true to the spirit of One Piece.
In the One Piece manga, Marco and Ace were not just crewmates but almost like family. They had each other's backs through thick and thin. Their friendship was an important aspect of the pirate group's dynamics.
There's a fanfiction called 'Under the Same Sky'. It takes place during a time when the Whitebeard Pirates are facing a powerful enemy. The story shows how Marco and Ace rely on each other, their trust and loyalty shining through. It's full of action scenes as well as some tender moments between them.
Well, in ace marco ticklish fanfiction, one characteristic could be the exploration of the relationship between Ace and Marco through this unique aspect. It might also involve some description of their personalities in relation to being ticklish. Maybe Ace is shown as more easily flustered by it while Marco has a different kind of reaction. Also, the settings in which these ticklish moments occur can vary, from a casual gathering among friends to a more intense situation where the ticklishness serves as a way to relieve tension.
Another common theme is adventure. Writers like to send them on all kinds of exciting adventures, like exploring uncharted islands or facing powerful enemies.
On the other hand, it could potentially cause some friction. If their possessiveness leads to them being overprotective of each other, it might interfere with crew decisions. For example, if a mission requires one of them to be in a risky situation, the other might object due to their possessive feelings, which could create some internal conflict in the crew.