Themes of forbidden love are quite common. In the Bleach universe, Soul Reapers and Arrancar are supposed to be enemies. So, a relationship between Ichigo and an Arrancar goes against the norms of their world. This adds an element of tension and drama to the fanfiction. Additionally, the theme of self - discovery can be present. Both characters may learn more about themselves through their relationship, especially in the context of this non - traditional relationship that is often the focus in 'ichigo arrancar lemon fanfiction'.
Love or at least a strong bond is also a common theme. It could be a romantic love or a deep friendship. Their relationship defies the normal boundaries between Soul Reapers and Arrancars. For example, they might fight side by side against a common enemy, which deepens their connection.
Love against all odds is also a big theme. Their relationship is often seen as taboo or impossible in the Bleach universe. But they still fall in love. Fanfic writers explore how they deal with the external pressures, like the opposition from their respective groups, and how they still hold on to their feelings for each other. It's a theme that can tug at the heartstrings of readers.
I'm not entirely sure as it's a fanfiction, but generally in an Ichigo and Arrancar harem scenario, it might involve Ichigo having some sort of relationship with multiple Arrancar characters. However, without reading the specific fanfiction, it's hard to say exactly what the plot is.
Obviously, Ichigo would be one of the main characters. And then, there would be the Arrancar characters who are part of the harem. But without more information about the specific fanfiction, it's difficult to name the exact Arrancar characters involved.
I'm not sure specifically which 'ichigo arrancar lemon fanfiction' to recommend. You can try searching on popular fanfiction websites like FanFiction.net or Archive of Our Own. Just use the relevant keywords in their search bars to find stories related to Ichigo and Arrancar with a 'lemon' theme (which usually implies some romantic or spicy elements in fanfiction terms).
Friendship is a common theme. Given their different personalities, their growing friendship can be explored. Another theme could be growth, both in terms of power and as individuals.
One common theme could be family secrets. Since their family has a complex background, fanfictions might explore hidden aspects of their family that are only known to Isshin and are gradually revealed to Ichigo. Another theme could be power transfer. Given Isshin's abilities, there could be stories about how he imparts some of his power to Ichigo in unique ways.
One common theme might be the forbidden nature of their relationship. Given their different backgrounds in the Bleach world, a story could play on the idea that their relationship is something that goes against the norms or expectations of their respective groups. For example, Ichigo being a human - turned - Soul Reaper - like being and Rangiku being a Soul Reaper, there could be complications and tensions that add to the allure in the fanfiction. However, it's important to note that such content should be consumed with appropriate caution as it may not be suitable for all ages.
Often, in 'ichigo and erza lemon fanfiction', a theme is the characters' growth within the relationship. They might start from just being acquaintances or having a certain level of respect for each other, and then develop deeper feelings. Another theme could be the challenges they face together, whether it's from outside forces or their own internal struggles. And of course, the 'lemon' aspect adds a layer of physical and emotional closeness exploration.
One common theme could be the exploration of their unspoken feelings. Since in the original series there are some underlying emotions between them, fanfictions often delve into that. Another theme might be the idea of 'forbidden love' as there are other relationships and storylines in the original that could make their relationship seem a bit off - limits in a sense.