Pokémon: Celebi - Voice of the Forest

At the entrance to the forest, "Yukimori" meets a girl named "Eternal." After accepting Eternal's warning that one must not wander freely if they hear the voice of the forest, Yukimori enters the woods. While trying to protect "Celebi," who is being hunted by poachers, Yukimori is swept away by the power to travel through time and brought to a future forty years later. In this world set forty years in the future, Yukimori meets Ash and his friends. However, in this world, "Butch," the strongest man in Team Rocket history, is planning to capture Celebi. Butch possesses Dark Balls that can turn any Pokémon vicious, and he takes Celebi from Ash and his companions. To save Celebi, who has been captured by Butch, Ash and Yukimori fight desperately. But the gentle Celebi has already changed significantly... Amidst the intense battle, the legendary Pokémon "Suicune" appears! Can Ash and his friends save Celebi and the forest?