Maki in fanfiction usually has a fierce loyalty to her friends, especially Yuta. She is the type to fight for what she believes in. Yuta is sometimes portrayed as being a bit naive in the ways of the world outside his own small circle, but his pure heart makes him endearing. In many stories, their different personalities create an interesting dynamic, like in a story where Maki's boldness gets them into a risky situation and Yuta's calm thinking gets them out.
" The Bizarre Case Unit " was a horror mystery novel based on true rumors. The story told the story of Mu Shenyu and the others, who formed the Strange Case Team, in order to pursue the truth, they did not hesitate to take risks to explore all kinds of strange events. The novel showcased a series of bizarre events and characters that were fascinating and attractive to the readers. In addition, there was also a TV series of the same name directed by Zhao Junkai, which told the story of how the police department dealt with all kinds of strange and mysterious cases. However, the information given about the specific content and evaluation of the Strange Case Unit was not enough to provide more details.
Well, one way this could work in a fanfiction is that Naruto could use Yuta's powers to enhance his combat abilities. Yuta has some really unique and powerful cursed energy techniques. Naruto might be able to combine his chakra with Yuta's powers, like using the Rasengan with Yuta's cursed energy for a super - powered attack. It could make for some really interesting battles against tough opponents like Madara or Kaguya.
It's hard to give an exact time as it depends on the manga's plot development. But typically, Yuta Okkotsu shows up when certain events and character arcs lead to his introduction.