A Deal with the Devil

In the Japanese web novel 'A Deal with the Devil,' a dramatic tale unfolds as a protagonist stumbles upon a Grimoire in the Royal Library, leading to an unintended summoning of a devil known for granting wishes in exchange for souls. Seeking revenge against her deceitful ex-fiancé and her disloyal friend, the protagonist delves into a dark pact with the devil. Filled with themes of betrayal, broken engagement, and unrequited love, this supernatural tragedy takes readers on a gripping journey of consequences and moral dilemmas.