What would happen when someone from our world was suddenly reborn into the world of My Hero Academia with a Gacha System that rewards him with abilities, techniques, and skills from Jujutsu Kaisen?
Grand epic fights and crazy shenanigans as he goes through the story to cause chaos and change the world to his liking. Is that true? What do I think? This is outrageous! Who let him become a Gym Leader? Patreon: RockyRoad Disclaimer : The characters and images used in this fanfic do not belong to me but to their rightful author.
Upon losing his life, he encountered a mysterious cosmic entity that offered him a deal: Protect a world from invaders for years, and in exchange, he could have a second chance at life. Aiden accepted without hesitation. Thus, he spent a century defending that world with bravery.
After fulfilling his part of the deal, he left that world behind and moved on to another, now with the powerful gifts he had gained during all that time. He gains a cheat ability—enhanced cellular activity. Coincidentally, just before the Second Shinobi War, he participates in a Jonin meeting where he supports Tsunade's proposal ahead of Dan Kato, marking his first encounter with her.
From then on, he launches an intense pursuit, winning her heart during the war. Tsunade: "Kawakaze, why do I keep losing to you? A [Sign-In System], long overdue, finally bursts to life within him, offering a chance at survival, a chance at power You have received the Rainbow-Grade Gift Bag! He then started completing System's tasks, accumulating even greater rewards.
