This is a huge mega story with many crossovers. Ranma mistakes the Knight Sabers for boomers and attacks them viciously. The Knight Sabers fight back thinking Ranma is a boomer too, after all how many humans can do what he can do? After the fight, Ranma helps them defeat the Genom corporation who killed his family. Ranma is transported the the Evangelion world were he helps them with there angel problems, then Asuka uses the Nanban mirror to try and prevent second impact. Ranma ends up in the slayers world and meets Lina inverse, and many many other things. (BubbleGum Crisis, Neon Genesis Evangelion,Ah! My Goddess, Slayers, Ghost in the Shell, Naruto Crossovers.) A collection of other much smaller stories by this author can be downloaded here.