I don't have enough information to say exactly who Miu Sakamoto is in this context. They could be an author, a storyteller, or someone involved in creating this 'never ending story'.
Definitely not real. Urashima Taro is a classic tale from Japanese culture that's more about imagination and storytelling than real-life experiences. It's a wonderful story but exists only in the realm of fantasy.
I'm not sure which specific 'Taro Boy story' you are referring to. There could be many stories with a character named Taro. It could be a traditional folktale from a certain culture, or a fictional story created by someone. Without more context, it's difficult to tell the exact story.
I'm not entirely sure about the specific origin story of Taro in Fortnite. It could be a character that was introduced as part of a special event or update. Maybe it has some connection to a particular theme or storyline within the game.
Sakamoto and Kouta are likely characters that fans have created a relationship for in fanfiction. They could be original characters, or perhaps characters from an existing series that the fanfiction writer has chosen to pair up in a new and creative way.
The 'Sakamoto Days' novel is mainly about a former top - tier assassin named Sakamoto who has retired and become a fat, unassuming man. But his past catches up with him, and he gets dragged back into the dangerous world of assassins. It's full of action, interesting characters, and unique fight scenes.
In the 'Taro Boy story', perhaps there is an antagonist. This could be someone who is jealous of Taro Boy's abilities or someone who wants to cause trouble in his community. Alongside Taro Boy, there might be a kind - hearted girl who is Taro's friend and helps him in his quests. There could also be a village elder who is respected and whose advice is important to Taro Boy and the whole community.
The main character is Sakamoto, of course. He's the ex - assassin. And there are other assassins who play important roles as well, like Shin. They interact with Sakamoto in various ways, either as opponents or sometimes as reluctant allies.
Well, there could be several fanfictions featuring Taro Yamada getting brainwashed. It depends on the fandom and the creativity of the authors. Try looking on popular sites like Archive of Our Own or FanFiction.net and filter your search accordingly.