The Twelve Trials Starting from Zero

"That pathetic protagonist? I could do better!" One day, Su Qi, who was feeling frustrated while watching anime, couldn't resist making this comment, and then... he vanished from this world. "What? My only cheat ability is 'Return by Death'? Does that mean I need to keep seeking death?" "You all are so naive! I've seen it all, I've faced countless battles. What kind of death haven't I encountered on the battlefield? Are you aware of the Ten Cruelest Tortures of the Qing Dynasty? They're much worse than yours!" "Fools! The sole reason for your failure is that you provoked me! Even if I were to be reincarnated a thousand times, I would still obliterate you!" "Hello everyone, my name is Su Qi, and I'm an amateur. I'm a writer, twenty-four years old, and my ability is to continue an endless series. This is my first time being a protagonist, so I ask for your guidance." …In summary, it's a tale of a protagonist who persistently seeks death and ultimately achieves revenge. The series Inuyasha Shaman King, Starting Life in Another World Unbreakable, and Honkai Impact are already finished. The current world is Touhou Gensokyo, and other worlds are under consideration...