Chapter 631 Kat in the Q&A
While Sylvie was enjoying the feeling of running her fingers through Lily's knew fur and Lily was enjoying having someone, even if it wasn't Kat, dote on her for a bit, the other three were talking about Kat's recent bout of training. Kat was giving a brief overview of her training, certainly nothing like the level Lily got, mostly just giving the briefest of descriptions of each event before moving on unless prompted.
One of the major areas of description was Callisto interest in the various poses Kat had been taught to help increase her flexibility. Callisto had revealed to Kat that she performed her own series of exercise for that purpose as well as general health. Vivian occasionally showed up as well, but as Callisto normally did these exercises in the middle of the night when everyone else was sleeping it was exceptional rare. Though Vivian made sure to move around plenty for work, so she wasn't unfit despite skipping these sessions.