The Place Promised in Our Early Days

Overview

In an alternate post-war Japan, the nation is split between the Union in the North and the United States in the South. A towering structure looms mysteriously within Union territory. Three high school friends make a pact to construct a homemade airplane, aiming to venture across the boundary and uncover the enigma surrounding the tower. Their journey is fueled by friendship and the desire to explore the unknown, leading them to confront the realities of their divided world.