The peaceful realm of the beloved anime heroes is violently disrupted when Baikinman, in his endless quest to defeat Anpanman, inadvertently releases a primordial and catastrophic entity of darkness known as the Sun-Eater. This monstrous, shadowy force possesses the terrifying ability to consume solar energy, casting a perpetual, chilling twilight over the world and threatening to freeze all living creatures into eternal stillness. As the life-giving warmth rapidly fades, panic grips the land, and even Anpanman’s miraculous baking powers face an unprecedented threat as his signature head begins to lose its regenerative strength without the true sun's nourishing light.Amidst the spreading gloom, Anpanman and his faithful companion, Jam Uncle, embark on a perilous journey to the legendary Temple of the Dawn. Their mission is to retrieve the mythical "Sun Shard," the only artifact powerful enough to rekindle the dying celestial body. However, the path is fraught with treacherous obstacles meticulously engineered by Baikinman, who soon realizes that his ambitions of ruling the world are meaningless if the world itself is plunged into a lifeless void. Driven by a desperate need for self-preservation and a grudging, complex rivalry, Baikinman is forced to form an uneasy, temporary alliance with his arch-nemesis, setting aside petty grievances for the greater good of survival.Meanwhile, courageous friends like Shokupanman, Currypanman, and the spirited little heroine Hina—a mystical creature born from the first ray of dawn—rally the remaining citizens. Hina’s unique emotional connection to the light proves vital, as her radiant heart acts as a beacon against the encroaching shadow beasts sent by the Sun-Eater. The climax unfolds in a breathtaking aerial showdown above the clouds, where Anpanman pushes his physical limits to the absolute brink. Facing overwhelming darkness, Anpanman sacrifices his own vital essence, channeling the collective warmth and hope of everyone's outstretched palms directed toward the sky. This unified surge of pure, collective energy overpowers the devourer of light, shattering the darkness into a brilliant cascade of golden beams. The sun is triumphantly restored, bathing the relieved world in a vibrant, revitalizing glow. In
the aftermath, the villains retreat to their familiar squabbles, but the bonds forged in
the darkest hour forever alter the landscape of courage, proving that even the smallest gesture of unity can reignite a frozen world and triumph over total annihilation.