Mayday! Mayday! The ship is slowly sinking. They think I'm crazy but they don't know the feeling. They're all around me, Circling like vultures. They wanna break me and wash away my colors (Wash away my colors!)
The series are not progressing fast enough
The author is reaching a certain age where it may not be able to continue
Takes a break (will take longer to reach its end story) and may or may not keep the extremely slow pacing, and considering other times he took a break it might as well just slow...
George seems to not know what to do with the manga right now, so he is making some chapters like fillers, was Rosario supposed to be creepy? Was he supposed to look goofy? Or was it bossy? Maybe he follows the gang's rules too much? Who knows. I'll bet the whole Marcus's fiasco will be shortened...
Eve was like: "They were saying that I was guilty of their murder but with the power of love and friendship they cheered me on to be demon lord"
And the MC was like: "Honeys, time for the 55th Dick Flattening Section"
Considering some chapters ago that Tooru was trying to avoid pursuing WoU, it's very possible that he accidentally pursued his stand while fighting Yasuho and then the plane door goes bonk on him