Dahlia joins a class and all of the girls are charmed by her beauty—and the fact that her family makes a popular perfume, Crimson Dahlia. Lily, who has always been popular with the boys, learns of a rumor that the secret ingredient of the perfume is the blood of a beautiful girl.

Note: Published in Ciao Deluxe Horror Zoukan 2011-01 under the title "Majo no Kousui" (魔女の香水)