Mushrambo (2008)

In a distant future, Earth lies devastated, its human population vanished, leaving behind a world now dominated by powerful, sentient creatures known as Enterrans. When a young girl named Yakumo awakens from a long stasis, she finds herself the sole human survivor and embarks on a perilous quest to reach the legendary land of Shinzo, where she believes other humans may still exist. Her only hope lies in finding Mushrambo, a legendary warrior prophesied to aid her. Yakumo's journey is fraught with danger, forcing her to rely on unlikely allies and confront formidable foes across the ruined landscapes. As she navigates this bizarre and beautiful post-apocalyptic world, she begins to unravel the mysteries of her past and the true nature of the Enterrans, all while searching for the hero who can help her restore humanity's place in the world.

✦ AI-drafted summary