Another option is to check out some anime - themed forums. The fans there are usually quite passionate about the series and might have their own collections or recommendations of Tsukune and Kurumu fanfic. You could ask in a thread specifically dedicated to Rosario + Vampire fan works.
One great piece of tsukune and kurumu love fanfiction is 'Tsukune's True Feelings'. It beautifully explores their relationship development, from initial attraction to deep love. The author does a wonderful job of capturing Kurumu's feisty yet loving nature and Tsukune's kind-hearted and somewhat naive personality.
A common theme is the development of their relationship. Given their different natures in the Rosario + Vampire world, how they come to understand and care for each other is often explored. For example, Tsukune being a human and Kurumu being a succubus.
Well, finding good 'tsukune x kurumu lemon fanfic' can be a bit tricky. You could start by checking out popular fanfic communities. Some fanfics might focus on their relationship development in unique ways, like exploring how they deal with challenges together in a more romantic and fictionalized setting. But always make sure to abide by the rules of the platforms you're using.
One great tsukune and kurumu fanfiction could be 'Tsukune's Hidden Power'. In this story, Tsukune discovers a new power within himself that Kurumu helps him to control. It's a really exciting read as it shows their relationship growing stronger through this shared experience.
You can try fanfiction.net. It has a large collection of fanfictions from various fandoms, including ones about Tsukune and Kurumu. Just use the search bar and type in their names, and you should be able to find a good number of stories.
A possible fanfiction could focus on a love triangle between Kurumu, Tsukune and another character. Kurumu is deeply in love with Tsukune, but Tsukune is conflicted as he has feelings for Kurumu but also has responsibilities towards others. This would lead to a lot of emotional drama and interesting character interactions.
One great Tsukune and Kurumu fanfiction could be a story where they go on a magical adventure together outside of the school. They might face some new and powerful enemies that test their relationship and skills.
A third plot could be about how their relationship changes during the pregnancy. Tsukune might become more protective of Kurumu, and Kurumu might discover a new side to Tsukune. They could also have some cute moments like Tsukune talking to the baby bump, and Kurumu teasing him about it.
One popular theme could be the exploration of their relationship in different supernatural settings. Since they are from a supernatural - themed story, their interactions might be set against the backdrop of various magical or otherworldly events. Another theme could be the development of their feelings for each other over time. It could start from a simple attraction and gradually grow into a deep, loving bond. Also, themes related to them facing challenges together, like dealing with other characters who oppose their relationship or threats to their world, are quite common.
Writing a 'tsukune x kurumu lemon fanfic' can be an exciting creative endeavor. Begin by brainstorming ideas about their relationship. What makes their connection special? Consider their different traits and how they complement each other. As for the 'lemon' aspect, it's crucial to handle it with care. You don't want it to overshadow the rest of the story. Develop their relationship gradually throughout the fic. Use vivid descriptions to bring their interactions to life. Also, don't forget to proofread your work to ensure it's free of errors and flows well.