The Meaning Behind the Numbers "45510": Aqua's Discovery, Also the Title of a Short Story Written by Oshi no Ko Creator Aka Akasaka

What could be the clue to the murder of the legendary idol Ai Hoshino (CV: Rie Takahashi)? The mysterious number "45510," which also served as the title for a short story penned by Oshi no Ko creator Aka Akasaka, appears to hold an unexpected significance.

Aqua (CV: Takeo Otsuka), driven by revenge after his mother, Ai, was killed by a fan, searches for clues left behind on Ai's old mobile phone to find the mastermind behind the incident. The phone was password-protected, but incredibly, Aqua spent four years and finally reached the correct combination: "45510."

Oshi no Ko Anime Episode 3 depicted Aqua's successful attempt to break the password. While the meaning of "45510" is not revealed within the episode itself, this number is also the title of a short story written by the original creator, Aka Akasaka, which was released to commemorate the anime's broadcast. Within the novel, it is revealed that the number originates from the idol group Ai belonged to during her lifetime.

As the story of Oshi no Ko progresses, it delves into the truth of Ai's death and simultaneously explores the question, "Who exactly was she?" The short story "45510," which portrays an unknown side of Ai, can be considered a crucial piece of the puzzle. It’s highly recommended to check it out once more before the broadcast of Anime Season 3.