In a post-apocalyptic world, where Earth has been devastated by war and pollution, a young princess from a small kingdom, located amidst a toxic forest known as the Mire of Putrefaction, struggles to find a balance between humanity and nature. Convinced that war will only bring more destruction, she defends the creatures that inhabit this poisoned forest, including the gigantic insects known as Ohmu.
When a military group from a neighboring kingdom attempts to seize power and exploit the forest's resources, the protagonist embarks on a risky adventure. As she confronts dangers from both the environment and men, she uncovers ancient secrets about the planet's potential to regenerate. The young woman becomes a symbol of hope and resistance, teaching that peaceful coexistence between species is possible.
Set against a backdrop of profound reflections on the environment and war, the tale addresses themes of love, sacrifice, and personal growth. As the protagonist grapples with her own internal and external challenges, she discovers her true purpose: to save not only her people but also the world around her. With the help of her loyal friends, she faces the imminent threat, proving that courage and empathy are powerful weapons against greed and destruction.