One possible plotline could be that they are in a dangerous situation together. Maybe they are trapped in an enemy's lair, and they think they might not make it out alive. In that moment of high tension and shared vulnerability, a kiss could happen as a way to express their unspoken feelings. Another plotline could be that Robin discovers a long - lost secret about Zoro's past that has a deep emotional connection to her own past. This revelation could lead to a moment of intense closeness and end with a kiss.
A plotline could start with Zoro being injured and Robin taking care of him. As she tends to his wounds, they start having deep conversations about their dreams and fears. Over time, feelings develop, and a kiss becomes a natural progression of their growing bond. Or perhaps there's a magic or curse involved. For example, a spell is cast on the crew that makes them act on their repressed feelings. Zoro and Robin are affected, and they share a kiss, which then leads to them having to deal with the consequences and their new - found feelings in the context of the crew.
Maybe there's a plot where they have to go undercover as a couple. As they pretend to be in love for the mission, they start to actually develop feelings for each other. The kiss could be a turning point where they admit their real emotions to themselves. For example, they might be infiltrating a villain's lair where only couples are allowed in, and during this time, their relationship deepens.
One possible plotline could be that Zoro is kidnapped by an enemy from his past who wants revenge. Maybe a pirate he defeated before has come back with a stronger crew and takes Zoro to lure the rest of the Straw Hats. Another could be that he's kidnapped by a secret organization that wants to use his strength for their own purposes.
One common theme is the exploration of their different personalities coming together. Zoro's tough and often gruff exterior contrasts with Robin's calm and mysterious nature. When they kiss, it's like two different worlds colliding in a harmonious way.
One plotline could be that Robin and Wonder Woman are on a joint mission to save the world. During a moment of extreme danger, they share a passionate kiss as a way to say goodbye, believing they might not survive. But then, the kiss gives them newfound strength and they go on to defeat the villain.
Maybe the story could start with Nami realizing she's pregnant. This could lead to a lot of mixed reactions from the crew. Zoro might initially be shocked but then become determined to support Nami. There could be a sub - plot where they have to find a safe place for Nami to give birth, away from their enemies. And the crew might have to deal with the idea of a new addition to their family on the ship.
In this fanfiction, the pregnancy could be a result of a deep emotional bond that developed between Zoro and Robin over time. The crew might be initially shocked but then very supportive. The baby could become a symbol of a new beginning for the Straw Hats. There could be challenges like protecting the baby from other pirates or the World Government who might see the child as a threat due to its parents' reputations. Also, the baby could bring out a softer side of Zoro and Robin, and they could learn a lot about themselves as they become parents.
A plot for this fanfiction could be that Robin and Zoro keep the pregnancy a secret from the crew at first. But as time goes on, it becomes harder to hide. Meanwhile, they are also facing a new island with strange customs and threats that are related to Robin's pregnancy in some way. For example, the island has a law that pregnant women must perform a certain ritual, and if they don't, something bad will happen to the baby.
One possible plotline could be that Cece and Gunther are friends who have secretly had feelings for each other for a long time. A series of events, like working together on a project or helping each other through a tough time, could lead to a moment where they finally kiss.
One possible plotline could be that they are in a dangerous situation together, and in a moment of relief after surviving, they share a kiss. For example, after fighting a particularly tough Akuma, the adrenaline and the realization that they care deeply for each other leads to that kiss.
Another plotline could involve a misunderstanding. Let's say there's a party or an event, and in the heat of the moment, they kiss. But then one of them thinks it was just a friendly gesture while the other has deeper feelings. This could lead to a series of comical or emotional events as they try to figure out what the kiss really meant. There could be miscommunications, jealousy, and eventually, a resolution where they both admit their true feelings.