Chaeng Meongneun Mabeopsa

Theodore Miller has extensive knowledge of magic but lacks the ability to perform it. On the verge of failing out of Berghen Academy, he discovers a grimoire called "Gluttony," which appears as a creature on his hand that craves magic. As Gluttony consumes more magical texts and objects, Theo's power grows, transforming him into a top student at the academy. Despite the ongoing danger of being consumed by the ravenous entity, Theo begins to achieve his goal of becoming a skilled wizard.