Goro's spin off, Mark's Spin-off, Nozomi's spin-off, Ren's spin-off, Niao Sun's spin-off, Chai's spin-off, Fangmei's spin-off, Ine-san spin-off, Megumi's spin-off, Mimi's spin-off, etc.
No, i'm not joking, to me the Shenmue characters are so different and unique that they all deserve a side...