kill la soul reaper (Rewrite)

Jinbei Arashi is a young but insanely powerful Shinigami one day when he was walking back form School he saw that his parents were murdered and heard a sound coming from outside and he saw a cloaked figured with a katana still fresh with thier blood on it as he opened a portal to get Jinbei swore vengeance he was given a latter by his late father saying that all of his answers could be found at Honnuji Academy and thus the young Shinigami was thrown into a war against humans and weaponized clothing what will happen to our young hero on his journey only time shall tell.