Yu Yu Hakusho: Brothers » by weebee reviews
A Ranma/YYH Xover. Rather infrequent updates.... sorry. Summary is in the first chapter... I think.
Crossover - Ranma & Yu Yu Hakusho - Fiction Rated: T - English - Action/Adventure/Humor - Chapters: 9 - Words: 33,091 - Reviews: 132 - Updated: 6-18-09 - Published: 5-20-06
It's not complete, but I enjoyed reading it. Kurama and Ranma are brothers.