I'm not sure specifically which 'Tunnel Story' Kamina tells without more context. It could be a fictional adventure story set in a tunnel, perhaps involving mystery, danger or discovery.
Often, these fanfics explore the deep bond between Kamina and Simon. It could be about their adventures together, with a lot of action and the signature over - the - top spirit of Gurren Lagann.
Generally speaking, the parting words of a novel were usually to describe the deep feelings and reluctance of the parting, to express the nostalgia for the protagonist, and at the same time, to let the reader feel the sadness and helplessness of parting.
There were many forms of parting words commonly used in novels, such as:
1. Leave contact information: Before leaving, the protagonist will usually leave his contact information for future contact. This method was often used to describe the protagonist's deep feelings and reluctance.
Blessing the other party: Before parting, the protagonist will usually wish the other party a happy life. This way, it could express the protagonist's blessings and concern, making the readers feel warmth and care.
3. Missing: Before parting, the protagonist would usually write down some words of longing to express his longing and reluctance. This way, the readers could feel the protagonist's inner feelings and the pain and helplessness of parting.
4. Farewell to the good times: Before parting, the protagonist will usually recall some good times to express his nostalgia for the past. This way, the readers could feel the protagonist's deep affection and reluctance, and at the same time, it could also make the readers feel the passage of time and the short life.
The parting words of the novel was a very imaginative and emotional way of expression. It could let the readers feel the inner feelings of the protagonist, the pain and helplessness of parting, and at the same time, it could let the readers feel warmth and love.
Love and adventure could be common themes. Given the nature of the characters, their relationship might be explored in the context of the exciting world they inhabit, with themes of love developing between them as they face various challenges together.
One popular kamina crossover fanfiction might be one where Kamina crosses over into the world of 'Fullmetal Alchemist'. In this story, Kamina's bold personality could contrast with the more reserved characters in 'Fullmetal Alchemist' like Edward and Alphonse. His motivational speeches might inspire the characters in that world to take more risks in their search for the Philosopher's Stone.
One common theme could be adventure. Since they are often in an action - packed anime setting, fanfics might continue their adventures together. Another could be romance, exploring the relationship between Kamina and Yoko in more depth.
One great Gurren Lagann Simon x Kamina fanfiction is 'The Bond Beyond Drills'. It beautifully explores their relationship as they face challenges in the post - apocalyptic world. It delves deep into how Simon looks up to Kamina and how Kamina, in turn, sees Simon's potential.