1. Sera Masumi: First of all, the first one is Sera Masumi. Although Sera Masumi and Akai Shuuichi have different surnames, they are actually brothers and sisters. As a younger sister, Sera Masumi has been a fan of her brother Akai Shuuichi since childhood. Even her research on Jeet Kune Do was influenced by Akai Shuuichi. In addition, Sera Masumi has the habit of wearing a hat, which was also learned from Akai Shuuichi. In real life, it is also common for younger sisters to worship their older brothers.
2. Serena Sebastian: Next, this Akai Shuuichi fan is Serena Sebastian, the representative figure of anthomaniac in Detective Conan. In her works, although Serena Sebastian is a very standard "rich and beautiful", she is a typical anthomaniac who can't move her legs when she sees a handsome guy.
In the plot, when Serena Sebastian and Xiaolan first met Okiya Subaru, Xiaolan once thought that Okiya Subaru was a thief, but the garden said that there was no such handsome thief. Finally, Okiya Subaru said that he inferred that the garden was interesting to him.
3. Judy: Judy is a search officer of the FBI, an American. She came to Japan to investigate Belmodo, a black organization that used to be an English teacher in Didan High School. Judy has another identity in the plot, that is, she is Akai Shuuichi's ex-girlfriend. Although Judy and Akai Shuuichi broke up later, judging from the plot, Judy still has feelings for Akai Shuuichi. Every time Akai Shuuichi is in danger, she is always the one who worries most.