I think your analysis is pretty good! During this period, Tomoya meets and hangs out with several other girls who he gets to know well and help with their individual problems.
In Uppsala, Foucault spent much of his spare time in the university's library, making use of their Bibliotheca Walleriana collection of texts on the history of medicine for his ongoing research.
Then her hairstyle changed into a shoulder-length bob and finally her hair grows in medium length and was tied in a low ponytail and wears various casual clothes when she was defeated by Recca in every fights for most of her childhood and pre-adolescence.