1. The animation production company was changed to TNK, and the differences in production styles led to unreasonable screen and character settings.
2. A large number of revisions to the original work may cause dissatisfaction among original fans.
3. The logical change of the plot makes the audience feel incoherent or unreasonable.
4. The image quality is degraded, such as crash and poor performance.
These are some possible reasons why Devil University changed its production company. The specific reasons are not public.