>>56010125>>56010586I remember Bibi-Kun saying that she gains a bit of muscle once she becomes an adult, though that's after her main story is finished. Didn't specify what kind of training she does, though, although it seems like it's mostly just to "tone" like Alto (probably). Speaking of which, Bibi's not even the only one with abs. Now Alto and Bibi can be crop top buddies.
