Reincarnated as Rimuru's Ultimate Skill

A silver-haired Japanese girl obsessed with the manga "That Time I Got Reincarnated as a Slime" never imagined her love for the story would transport her into its world-literally. After an unexpected accident, she wakes up not as a person, but as a powerful skill within Rimuru Tempest, the very protagonist she adored. With all the abilities she wished for during her final moments, she becomes the sentient core of Rimuru's Ultimate Skill, guiding him in his rise to greatness. As Rimuru evolves, so does she, bound to the hero she loves while secretly shaping the fate of their shared world. Can she protect Rimuru and their world from unseen dangers, or will her overwhelming power lead to unexpected consequences? An isekai tale of devotion, power, and the ultimate fan's dream come true!