Dengeki PlayStation Vol 515
From Puella Magi Wiki
|Q: So player has to fight against the witch who was a partner before?
Urobuchi: Yes. Then EXP of Madoka and other magical girls can be easily increased.
|Q: When NBGI provides scenarios, what's the most impression thing?
Doi: Sayaka's scenario. Although during production of anime, Director Shinbo said "I hope you won't belly Sayaka any more"...