Tumblr is another place to look. There are many blogs dedicated to Adventure Time fan content, and some of them might post or recommend Princess Bubblegum x Marceline fanfics. Additionally, some smaller, more niche fanfic communities related to Adventure Time could also be a source. You can find these by searching on Google for 'Adventure Time fanfic communities' and then exploring for the specific pairing.
There's a fanfic called 'Candy and Rock'. In this story, Princess Bubblegum and Marceline go on an adventure together. It shows how their different personalities, with Bubblegum's scientific and organized side and Marceline's carefree and edgy side, complement each other. And then there's 'The Moonlit Meeting', which focuses on a more emotional side of their relationship, especially during a full moon in the Land of Ooo.
Archive of Our Own is a great place to start. It has a wide variety of fanfictions about Marceline and Bubblegum that are free from inappropriate content. You can simply search for their names and browse through the results to find the ones that interest you.
You can start by looking on Archive of Our Own (AO3). It has a large collection of fanfictions, and you can easily search for Marceline x Bubblegum ones using the search bar. Just type in the relevant tags like 'Marceline' and 'Bubblegum' and also 'relationship' if you want more targeted results.
You can try fanfiction websites like Archive of Our Own (AO3). It has a large collection of fan - made stories, including those about Marceline and Princess Bubblegum's relationship. Another option could be FanFiction.net, but AO3 usually has a more diverse and inclusive range of content in this regard.
In such fanfiction, the lemon part usually implies a more adult - themed or steamy relationship exploration. However, it's important to note that this often goes beyond the boundaries of the original children - friendly Adventure Time series. Some writers might use it as a way to add a new dimension to their relationship, perhaps showing how they overcome challenges not just as friends but as lovers in a more intense setting.
The appeal might be the forbidden - like nature of their relationship in the original show. Fans are drawn to the idea of seeing what could happen if they had a more intimate relationship. It's like exploring uncharted territory.
You can try looking on fanfic - specific websites like Archive of Our Own or FanFiction.net. Just search for 'Finn x Princess Bubblegum lemon' on their search bars.
One common theme is the exploration of their past. In many Marceline x Bubblegum fanfics, the authors look at how their past experiences, like Marceline's vampire nature and Bubblegum's role as a princess, have influenced their relationship. Also, the theme of redemption sometimes shows up, especially when it comes to Marceline's more wild side and how Bubblegum helps her find a more positive path. Growth is also a common theme, as they both grow as individuals within the context of their relationship.
One great Marceline x Bubblegum fanfic is 'Frost and Fire'. It beautifully explores their relationship with some really heartwarming and exciting moments. Another one is 'Under the Moonlight' which delves deep into their complex feelings for each other.
You can start by looking on popular fanfiction platforms like Archive of Our Own (AO3). It has a large collection of fanfictions on various topics, including Princess Bubblegum and Marceline's relationship. Another option is FanFiction.net, though the quality may vary more there. Some Tumblr blogs also curate and share great fanfics in this fandom.