A Crossover Anime/manga Series, I'm in Kengan, Studying Abroad in Baki

Wu Wei transmigrated into a world combining elements of various anime and the Kengan universe. Although he was initially flustered when he discovered that high-end business battles here were underground fights orchestrated by the Kengan Association, while low-end business battles involved hiring thugs and assassins, he gradually adapted. However, just then, the system that brought him to this world activated again. He could now travel between this world and another! And... the first person he met in that other world was Guo Haihuang!