Comprehensive Comic: My System Is a Regret Repairer

Kulin is bound to the star track system, and his mission is to enter the anime world that is on the verge of collapse and repair the "ultimate regrets" that have made countless fans unhappy. Demon Slayer: Kimetsu no Yaiba Mugen City decisive battle, should Butterfly Ninja die? Then use the Magic Sealing Box to cut off Wuhan's origin and let her survive! The curse responded to the Shibuya Incident. Should Nanami Kento have fallen at the hands of the real person? Then use the information gap to disrupt the chess game and rewrite the entire battle! The Pirate King is fighting a war. Is Ace's death a pain for countless people? Then let Blackbeard's capture fail and create a way out for Ace! The more worlds there are that can be repaired, the more Cullin feels that there is a black hand behind it, "Entropy of Annihilation", a void existence made up of all the forgotten stories. When it threatens to bring down the entire multiverse, Cullin must take all the characters he has saved to fight the final battle that belongs to all stories. "The story will not end. When I come, the tragedy will no longer be the ending." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.