The Asapa clan, which uses snakes as their totem, the succession ceremony of the saint. But unexpectedly, he learned that Saint Leia Cady and Salazar Slytherin had eloped. Later, Asapa, who lost the next Saint, was leaderless. After a thousand years, Asapa disappeared from people's consciousness. The previous descendant of Lycopo, 'Sarah Cady', Sarah lost her memory due to an accident. When she was 11 years old, she received a notice of admission to Hogwarts and met Tom Marvolo Riddle for the 'first time' on a train. Saint Asapa has the ability to control snakes, and Tom takes advantage of it, but discovers more incredible things.