Page 13 is duplicated; it looks like page 14 (13_a.png) is a fixed version of it.
Does the "miniguy" tag apply to this if the gender change occurs before they've shrunk that small? It looks like they're a girl before they're even below the witch's shoulders.
Looking at the definitions, it seems like the "gender change" and "shrinking" tags mean it should't be tagged transformation.