Well, the themes of friendship and collaboration are quite common too. They were friends as well as brothers. Fanfictions might show them working on new inventions side by side, sharing ideas and having fun together. And of course, the theme of grief and moving on is also there, especially in stories that deal with the aftermath of Tadashi's death and how Hiro copes with it while still holding onto their relationship.
One of the common themes is growth. Hiro's growth under Tadashi's influence and even after Tadashi's death is often explored. Also, the theme of family is central. It shows how their relationship is not just about being siblings but also about being each other's support system in different situations. There are also fanfictions that explore the theme of legacy, with Tadashi's legacy living on through Hiro.
Brotherly love is a very common theme. Since they are brothers in the original story, fanfictions often expand on their deep bond, like how they protect each other. Another theme is mentorship, as Tadashi was like a mentor to Hiro in some ways.
One common theme is brotherly love and support. Since they are brothers in the original story, many fanfictions explore deeper emotional bonds between them. For example, how they rely on each other during tough times.
One common theme is brotherly love. Hiro and Tadashi have a deep bond as brothers, and many fanfics explore the different facets of this relationship, like loyalty and protection.
One common theme is brotherly love. Since they are brothers in the original story, fanfictions often emphasize their strong bond. Another theme could be their shared passion for science and technology. Writers might explore how this passion unites them in different situations.
Often, the theme of love against all odds is present. Given their relationship as brothers in the original story, the fanfiction writers might explore how they overcome the societal or family - related barriers to express their love through a kiss. Also, themes of self - discovery and acceptance are common. As they explore their feelings for each other, they also learn more about themselves.
The very idea of 'tadashi x hiro lemon fanfiction' is quite inappropriate as their relationship in the original context is that of brothers. If such fanfictions exist, they would be a misrepresentation of their relationship. They might have elements that are not in keeping with the positive, family - centered values of the original story, like inappropriate physical or emotional relationships that are not part of the true nature of Tadashi and Hiro's connection.
One popular theme is their brotherly bond. Writers often explore how they support and care for each other. Another theme is their scientific adventures, like creating new inventions together. Also, stories might focus on how Hiro copes with Tadashi's death and grows from it.
One common theme is love and friendship. Since Tadashi is such a kind - hearted character, his relationship with the reader often starts as a friendship that blossoms into love. Another theme is support. Tadashi is always there to support the reader, whether it's in their studies or personal problems.
One reason for the appeal is that it gives fans a chance to see these characters in a new light. Tadashi is such a caring and inspiring character, and Hiro is full of potential. In yaoi fanfiction, their relationship can be developed in ways that show their growth together in a more intimate sense. It can also fill in gaps or create alternative storylines that the original movie didn't explore fully.
I'm not sure about specific 'tadashi x hiro lemon fanfiction' as it might not be very common or may involve some non - canon and sometimes inappropriate interpretations. However, you can try searching on some well - known fanfiction platforms like Archive of Our Own and see if there are any appropriate works related to Tadashi and Hiro's relationship that are more in line with the positive and friendly aspects of their bond.
Often, there could be themes related to adventure and problem - solving. Since Big Hero 6 is about heroes, in this 'upside down' fanfic, they might face new challenges in a strange or reversed world. And they would have to use their wits and skills to get through it, which could be a major theme.