>>43126146Koharu does love Pokémon, though. In the first episode, when Oak is telling them they'll be trainers when they're 10, Koharu is just as excited as everyone else. It's only after we see Koharu in the present that we see her being cold; a fact acknowledged by Go in her episode.
Something happened that changed her, and I'll eat my hat if this series ends without us knowing what happened.