Starting With The Sefirah Castle In The Anime World

[Hello everyone, my name is Amamiya Ren. This might seem like an abrupt self-introduction, and honestly, I think so too.]
[In fact, when I first heard my own name, I had a bad premonition. Fortunately, I didn't encounter Shido Masayoshi or Akechi Goro.]
[But when I discovered that the high school I was going to attend was called Teitan High School, I knew I was in trouble.]
[I thought I had successfully avoided the traitor, but I didn't expect that I couldn't escape the god of death either.]
[Then, as I dug deeper, I found out more information that made my heart race.]
[I learned about Shinomiya, who is as renowned as the Suzuki family, and Sanzenin, which surpasses both Suzuki and Shinomiya.]
[But none of that is the main point. It's Teitan High School alone that made me want to start writing a diary.]

Putting down his pen, the boy turned his gaze to the prize pool.
Naruto, Bleach, One Piece, Katekyo Hitman Reborn, Negima! Magister Negi Magi, A Certain Magical Index, Persona, Demon Slayer: Kimetsu no Yaiba, Marvel, Genshin Impact, Fate, High School DxD, Lord of the Mysteries...