One idea could be a rengoku fanfic where he trains a new group of young slayers. It could focus on his unique teaching methods and how he instills his values in them.
Tanjiro would be a great character to pair with rengoku. Their different personalities could create an interesting interaction. Tanjiro's kind - hearted nature and rengoku's fiery determination could lead to some great storylines.
Qin Feng's last smile in the movie Detective Chinatown 2 was a meaningful scene. This smile could be interpreted as many meanings, some of which included:
Confidence and satisfaction: Qin Feng felt confident and satisfied after solving the last problem because he successfully completed the mission and found the real murderer.
Hope and expectation: This smile can also be seen as hope and expectation for the future. Although Qin Feng had experienced many difficulties and challenges before, he still maintained his confidence and courage for the future.
At the end of the movie, Qin Feng successfully solved all the mysteries and proved his previous guess, which made him very happy and satisfied.
This smile could be seen as Qin Feng's signature expression when he successfully solved the problem. At the same time, it also hinted that his future life and future were bright.
One of the main themes is adventure. Since rengoku is often involved in battles and dangerous situations, the fanfics may take the reader along on these adventures. They might face demons together and their relationship develops through these shared experiences. Also, loyalty is a big theme. Rengoku is a very loyal character, and this loyalty extends to his relationship with the reader in the fanfics.
Fanfiction based on 'Percy Jackson: The Last Olympian' can be quite diverse. Some might focus on the relationships between the characters, like Percy and Annabeth's relationship evolving in new ways. Others could explore the idea of new threats emerging in the demigod world. It's also a great way for fans to connect with each other, sharing their ideas and interpretations of the story.