​In a world where ancient ninja clans clash with the forces of the underworld, 18-year-old Midou Miko finds herself at the forefront of a new battle. Entrusted with the duty to protect humanity from sex-driven demons, Miko embraces her role as a ninja in training. With a unique blend of combat skills and sexual sorcery, she fights relentlessly to maintain peace that has lasted for over 600 years. Will Miko be able to fulfill her family’s legacy and prevent the underworld’s denizens from wreaking havoc on the mortal realm? Brace yourself as this alluring ninja combats both supernatural forces and her own desires in this captivating hentai adventure.​