Reincarnation, Regression, Possession, and a Double Major in Revenge at the Academy is a thrilling web novel in Korean that follows the story of a protagonist armed with the Gray Witch's Ice Pill and a determination for revenge. With elements of action, adventure, comedy, fantasy, harem, school life, and shounen, the novel explores the protagonist's journey through battles with demons, dragons, and powerful spirits. The academy setting, age regression, and the protagonist's growth from strong to stronger add layers of complexity to the storyline, making it a compelling read for fans of magic and swordplay.