Fleeing from despair after losing those dearest to him, the hero hides in a safe land of memories, where time stands still and all those dear to him are alive. Over the years, a city grows in his imagination. One day, literary heroes and cartoon childhood idols, who in the consciousness of the successive generations are forever young and wearing short pants, come to live there, uninvited. When our hero discovers they have all grown old and that eternal youth does not exist, he decides to return to real life, and the amazing characters living in his imagination lead him back to the real world.