>>70764253PARTY B MAY NOT STREAM/OPERATE AS A VTUBER
IF ALL OF THESE ARE TRUE:
•Period of 6 months has not passed
•distributing Images, Etc*1* including (...) video distribution (...) and (...) audio distribution.
•as a VTuber*2*
•for a third party
*1*This is undefined which is sloppy
*2*The term VTuber was defined in Article 1 as (direct quote): "Perfomer mainly live streaming or uplading videos in the Video Hosting Services as the character designated by Party A
Conclusion: By their definition of VTuber, Party B stops being a VTuber when they switch to another character, which means they may stream either as an indie or at an corpo before the six month period has passed. Prior written consent is not needed since they are not streaming as an
PS: the "without prior written consent from Party A" can be ignored in most cases since that only applies if all of the bullet points are true.