black ②black stone ③guilt

black ②dark ③suspicious ④darkened and dirty

stage assistant dressed in black (in kabuki) ②behind-the-scenes supporter

black curtain ②wirepuller

pitch black

black cat ②Yamato Transport (door-to-door delivery service company)

black hair

black and white ②good and evil

completely black

black suit ②black-suited staff member (e.g. in restaurant, sex establishment, etc.)

black quartz

charred

black and white

black magic

mean

Meguro City (special ward of Tokyo) ②Bonin white-eye (Apalopteron familiare)

venous blood

darkish

iron

dark history

darkness

jet black

blackboard

black clothes

central pillar (of a building) ②mainstay (e.g. of an economy)

black spot ②sunspot

black person ②woman in the nightlife business

the dark side

the underworld

black dragon

god of wealth ②monk's wife

Dark Ages ②dark age

Dark Continent (i.e. Africa)

silhouette

black smoke

(unrefined) brown sugar

blackboard eraser

sunspot

black terracotta

dark nebula

mole under the eye (supposedly due to having cried)