Tsubomi is a girl who dreams of becoming the champion of the Pokémon League.
She begs her mother to let her and her Pokémon go on a trip together, but she can't get her mother to let her go.
One day, Tsubomi finally can't take it anymore and decides, "I'm going on a trip by myself!"
Tsubomi decides to go on a trip by herself, and goes to a nearby forest to catch some Pokémon.
There, she encounters ......!
