After the second impact Ranma was devastated at losing Akane and needed something to focus on. In the remains of Japan formed breeding grounds which took girls and raped them to increase the population, Ranma devoted himself to destroying these places and rescues Makoto from one. Makoto is pregnant and abused so Ranma tries to help her recover, quickly falling in love with her. (Sailor Moon, Neon Genesis Evangelion Crossovers.)