The following are the recommendations of a few anime master apprentice novels: " Raising a Disciple to Cultivate ": This was a classical Xianxia novel, which told the story of a master and his cute disciple on the path of cultivation. 2. [My Apprentice Is Very Arrogant]: This novel tells the story of an evil master and his arrogant apprentice. These novels all have plots about anime masters and apprentices, which can meet your needs.
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.
The obvious main characters would be the animator and the animation itself. The animator could be a young, creative person who is just starting out and is still learning how to control their creations. The animation could be a simple character that was initially designed to be a friendly helper but then turns against the animator.