black rain (radioactive rain)

get off, disembark / descend, go down / step down, retire / give up, quit

black

atomic bomb

落ちる: to fall

rain, rainfall / a rainy weather / (figuratively) something falling like rain

to fall / (computing) to go down (as when a computer or application becomes unresponsive) / (electrical engineering, of a circuit breaker) to trip / (informal) to fail an examination

an exit requiring a disembarkation or descent, especially from a bus or train / the top of a flight of stairs

rain / (figuratively) something falling like rain / (figuratively) favor, blessing

(spatially) the back, the rear, behind / (temporally) later, afterwards, some time after the present / the rest