Complex sentence: She also possesses the ability to hypnotize, and Kyōsuke is her usual victim; although Kurumi appeared to learn this from a book, her actual ability is probably derived from "The Power".
Split into simpler sentences: She also possesses the ability to hypnotize, and Kyōsuke is her usual victim. Although Kurumi appeared to learn this from a book, her actual ability is probably derived from "The Power".