Yes, this would be the day after. Some time passes between volumes 4 and 5 (shown by hair growth). In Vol.4 after Alison reaches the requisite level of training, Mistress begins to take her out as her "personal assistant". It's fun to show her off but she is also kind of annoying and needy (Vol.4, Page 25), so Alison is assigned various odd jobs to keep her busy. She's not particularly skilled or reliable but she can handle putting books away in the library (Vol.5, Page 11-12) or these maid duties.