A Suspiciously Experienced Regressor is a captivating Korean web novel that follows the journey of a regressor who decides to take a carefree approach, only to encounter a mysterious sense of unease. Packed with action, adventure, comedy, and elements of fantasy, this novel delves into themes of maturity, romance, and the supernatural. With a protagonist exploring various genres such as ecchi, harem, martial arts, and psychological aspects, readers are in for a thrilling ride through a world filled with intrigue and excitement.