drop zone
empty, sky, void, vacant, vacuum
クウ / そら
bravely volunteer, counter for guns, inksticks, palanquins, rickshaws
チョウ / ぬ.く
descend, precipitate, fall, surrender
コウ / お.りる
below, down, descend, give, low, inferior
カ / した
ground, earth
チ / —
range, region, limits, stage, level
イキ / —