Swordsmanship has always been our Main Character's passion. He got into this passion due to some of his favourite characters in anime and manga. His favourite mangas? Bleach and One Piece. That's where swordsmanship plays a major role in the stories. And he loves it. So imagine how he reacts when he gets the chance to get reincarnated into the world of Bleach as an SI with another template of his choice.