Anime Crossover: I Saved Everyone's Unfulfilled Dreams

After transmigrating into a world where various anime universes converge, I start out invincible at max level and awaken the “Unfulfilled Regrets Rescue System.” I travel through different anime worlds, saving the characters who broke readers’ hearts, such as Eru, Rem, and Ai Haibara, slapping the original villains in the face and rising to the pinnacle of life!