The moment when Tadashi starts to cry could be really powerful. He has always been strong for Hiro, but now at the grave, all his defenses are down. His tears would show just how deeply he cared for Hiro and how much his death has affected him. He might cry while remembering Hiro's big smile or his determination, and these memories would be both a source of pain and comfort.
Tadashi might cope by talking to Hiro at the grave. Just sharing his thoughts and feelings, like how his day was or what new things he's been working on. It's his way of keeping Hiro's memory alive and feeling like he's still connected to him.
He might be in a state of deep reflection. Remembering all the good times with Tadashi, feeling guilty about things he might think he could have done differently, and also finding strength in the memories to keep moving forward.
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.
In the fanfiction, perhaps when Hermione places a special memento on Harry's grave. It could be something like the Marauder's Map or a small charm he gave her. This simple act would be highly emotional as it symbolizes their bond. Also, the moment when she kneels beside the grave, and the memories flood back. She might remember how Harry sacrificed himself for the greater good, and she couldn't save him. This would lead to a deep sense of guilt and sorrow.
I'm not sure specifically which 'bh6 tadashi hungs hiro upside down fanfic' to recommend. You could try searching on fanfiction platforms like Archive of Our Own. They usually have a wide variety of fanfictions related to Big Hero 6, and you might find ones that involve Tadashi, Hiro and the 'upside down' concept there.
In this fanfic, Hiro would approach Tadashi's grave with a heavy heart. He'd bring fresh flowers, maybe some of Tadashi's favorite things like a small robotics part. He'd sit there, silently at first, then start talking about all the things he's been through since Tadashi passed. How he's trying to live up to Tadashi's legacy with the team. He might even shed a few tears as he remembers the good times they had together.
Cyborg Hiro fanfics in the BH6 universe can be really exciting. They often explore unique storylines that combine the concept of a cyborg with Hiro's character. It could be about how Hiro uses his technological skills to enhance his cyborg abilities and save the city.
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 great aspect of Cyborg Hiro BH6 fanfic is the potential for unique character development. As a cyborg, Hiro can have new skills and weaknesses that shape him in different ways.
One popular Tadashi x Hiro fanfic is 'A Bond Beyond Brothers'. It delves deep into their relationship, showing how they support each other in different situations. Another great one could be 'Tadashi's Legacy', which focuses on how Hiro copes with Tadashi's absence and the memories that keep their bond alive. There's also 'The Unspoken Connection' that explores the unsaid emotions between them.