Sailor Pluto tries to connect Ranma to the powers of Earth, but unfortunately Ranma was in girl form and the previous female template for the Earth powers was a succubus. Ranma turns into Sailor Darkstar. Willard International Consulting, a demon hunting company which Kasumi is a member of, threatens Ranma for information until they realize she is a Senshi. Ranma helps the company out, and during an attack on her school she turns Kuno into a succubus. Ranma eventually accepts her demon form and becomes a full succubus and her family slowly grows. (Sailor Moon Crossover. Good story but complex.)