Once upon a time, Momotaro, born from a peach, conquered the ogres of Onigashima. However, his blood has not yet died out... Kanro, a descendant of the ogres of Onigashima, wished to change his own life of brooding and brooding. Then one day, Momotaro's descendant, Sumomo, appears and says she will raise Kanro to be a great demon...! (Source: Kadokawa, translated)