One plot idea could be that after their kiss, Max and Sydney have to deal with the consequences within their team. Maybe some of their teammates are jealous or think it will affect their performance in fighting villains.
Another could be a time - travel plot where they kiss in the present, but then something goes wrong and they are sent back in time. They have to find a way to get back to their own time while still holding on to their feelings for each other.
A more emotional plot idea might be that Sydney is in danger, and Max kisses her as a way of confessing his feelings before he has to go and save her from a great threat. This kiss then gives Sydney the strength to hold on until Max can rescue her.
You can try looking on fanfiction websites like FanFiction.net or Archive of Our Own. These platforms have a large collection of fan - created stories, and you might be able to find some Max Steel fanfiction about Max and Sydney's kiss there.
Another theme is friendship. They are often depicted as close friends in the series, and fanfictions explore their bond further, how they support each other through tough times. For example, in some stories, Sydney helps Max when he's having doubts about his powers. It's also common to see a bit of a romantic undertone in some fanfictions, even if it's not the main focus. Maybe a hint of a possible future relationship between Max and Sydney as they grow closer through their shared experiences.
One possible storyline could be that Max Steel and Sydney are on a dangerous mission together. In the heat of the moment, they share a kiss that is both passionate and a sign of their deepening bond. This kiss could then lead to them realizing their true feelings for each other and having to navigate their relationship while still facing the challenges of their superhero/villain - fighting world.
One great example could be a story where Max Steel and Sydney team up to fight a new, powerful villain that neither could face alone. In this fanfiction, their combined skills and unique powers make for an exciting adventure.
A crossover with the Transformers could be really cool. Max Steel could find himself in the middle of a battle between the Autobots and Decepticons. His alien - tech powers might be misinterpreted at first, but then they could work together to stop a greater threat, like an evil techno - organism that wants to take over both their worlds.
You can try fanfiction websites like FanFiction.net or Archive of Our Own. They usually have a wide range of fanfictions including those related to Max Steel. Just use the search bar and type in 'Max Steel Max and Sydney' to find relevant stories.
After the kiss, they could start secretly dating while still maintaining their superhero personas. They would have to find time between battles and saving the world to be together. This would add an element of secrecy and excitement to their relationship.
One interesting Max Steel fanfiction could be about Max's new powers emerging in unexpected ways. For example, he might discover he can control a new type of energy that wasn't part of his original set of abilities. This could lead to him having to learn how to use it while also facing a new enemy who is attracted to this new power.
One popular plot idea could be the OC having a special power that Max Steel discovers and they team up to fight a new villain. Another could be the OC being from a different dimension and Max has to help them get back home while also dealing with threats in their own world. And sometimes, the OC might be a scientist who creates a new technology that helps Max in his battles.
One interesting plot could be that Max and Eleven start to have dreams that seem to be connected. They realize that these dreams are actually visions of a future threat to Hawkins. So, they begin to investigate what these threats are and how to stop them. Along the way, they might encounter some old enemies from previous seasons as well as new ones, and they have to use their combined powers and wits to overcome all obstacles.