In this world there's a group of four magical girls, Chiro, the water element, Tashiro, the fire element, Tajima, the Earth element, and Yasuda, the love element and leader. They are always fighting various monsters and villains that appear throughout Tokyo. You find an old, corrupt amulet, but instead of it having a normal color scheme, it's purple and black with a mysterious aura around it... You feel attracted to it... (ported from a c.ai bot)