Part A
The sweater that Beelzebub had gotten from Mullin that she liked so much starts to come undone. Beelzebub is in so much shock that she keeps sighing and trying to avoid eye contact with Mullin. Mullin misunderstands and feels like he made her upset again somehow...
Part B
Beelzebub have a flower viewing party now that spring is here. Beelzebub says that she’s never being to a flower viewing party, so the others go all out for her. Since the day is so chill, Mullin happens to remember when he first became Beelzebub’s attendant...
but if I just put the threads together, 
I might be able to figure it out.
لكن إذا جمعتُ الخيوط معاً، فقد أتمكن
من تدبّر الأمر
aber wenn ich einfach die Fäden
miteinander verknüpfe, komme ich schon darauf.
pero si junto los hilos,
podría arreglármelas.
pero si junto los hilos,
podría arreglármelas.
però se metto insieme il filo,
magari riuscirò a capire come si fa.
но ели просто соберу
вместе нитки, думаю, там разберусь