Takes place in episodes 47-50 of Dr rin, but I changed the ending. Yue,Shuuko,Shingawa, and Omachi and the main dr rin gang get sent to the world of Remenant by Meirin's powers as the Light Witch to protect them from the Dark King's plan to destroy the human race and imprison Meirin forever.With the help from the RWBY gang Yue and the others discover who the Dark King is.