鬼

ogre

fierce god

suspicion will raise bogies

wizard

even homely girls look beautiful at the peak of their youth

Oriental false hawksbeard (Youngia japonica)

tiger lily (Lilium lancifolium)

common fangtooth (Anoplogaster cornuta)

work fiend

out with the demon, in with fortune

daredevil warrior

triumphant (over a mediocre achievement)

unusual move that catches the opponent by surprise (in go, shogi, etc.)

chain tag (tag variant in which caught players hold hands with the tagger)

demoness

God only knows what may happen

child born with teeth

nightly procession of monsters, spirits, etc.

furious facial expression

imp

compassionate ruthlessness

to harden one's heart

bloodthirsty killer

all people aren't evil

ghastly

"day of the ghost" (an extremely auspicious day on the lunar calendar for everything but weddings)

nobody knows the morrow

serial killer

tag game variant in which a player cannot be tagged if above the ground

chasing out ogres

nobody knows the morrow

crack detective

unsympathetic manager

vampire

(game of) tag in which the tagged player becomes "it"

to be bloodcurdling

Onigashima

having the face of a devil and the heart of Buddha

demon's prayer (Ōtsu-e motif depicting a demon wearing monk's robes and holding a bell)

to threaten by outward appearance

like father, like son

gods and demons

calling someone over the phone many times

lion-hearted general

person who died outside of their homeland

will-o'-the-wisp

crown-of-thorns starfish (Acanthaster planci)

mask of a devil

the northeastern (unlucky) direction

to pass away

appearing in unexpected places and at unexpected moments

just as even coarse tea tastes good when fresh, even homely girls look beautiful at the peak of their youth

to threaten by outward appearance

God only knows what may happen

suspicion begets monsters

game of (blindfolded) tag similar to the children's swimming pool game "Marco Polo"

better the devil you know than the devil you don't know

even the hardest of hearts can be moved to tears

strong sake

red-horned demon

unlucky quarter (southwest)

sex maniac

(horned) blue demon

evil spirit

roasted soybeans scattered to drive away evil spirits

prickly sow-thistle (Sonchus asper)

false virgin's lepidella (Amanita virgineoides)

you can make friends anywhere

decorative black flagpole tassel made from tail hair (of a yak, horse, ox, etc.) or dyed hemp

Chinese "ghost" constellation (one of the 28 mansions)

better the devil you know than the devil you don't know

wildcard

making something strong even stronger

sorry

cruel creditor

Gastrodia elata (species of saprophytic orchid)

sickness back

Asian koel (Eudynamys scolopacea)

driving out evil spirits (on New Year's eve)

Western brute (esp. American and British)

wooden board used on the ridge-ends of a roof instead of an onigawara tile (sometimes covered in copper sheeting)

Buddhist services in memory of those drowned in a river

toco toucan (Ramphastos toco)

a horrible man will find a horrible wife

Chinese "ghost" constellation (one of the 28 mansions)

to be laughable

inscrutable stratagem

royal water lily

Gelidium japonicum (species of seaweed)

where there's a will, there's a way

death register

perversity

Buckleya lanceolata (species of parasitic deciduous shrub)

hard shell of a nut, etc.

ushi-oni

Demon's Sword Dance (traditional dance of the Kitakami, Iwate area)

Hariti (goddess of childbirth and children)

necrology

Akuma (Street Fighter)

girl of unsightly and terrifying appearance

service for the benefit of suffering spirits

water caltrop (Trapa natans)

onikuma

Sword Devil (collection of short stories by Renzaburō Shibata and 1965 film)

demon drums

hungry ghost (preta) realm

freeze tag (children's game)

protruding tooth (like a fang)

witch's milk (milk secreted by some neonates)

Demon Slayer (abbr)

grilled miso mixed with chili peppers

very

e-mailing or texting someone many times

to harden one's heart

tag (children's game)

scorpionfish (Scorpaenopsis cirrhosa)

demon

wicked and perverse

hide-and-seek and tag

navy blue demon residing in hell

greater bandicoot rat (Bandicota indica)

devil

battledore

gods or demons that cause epidemics

Demon Slayer: Kimetsu no Yaiba (manga, anime)

death register

traditional winter hunters in Tōhoku

decorative ridge-end tile (traditionally bearing the face of a demon and resembling a gargoyle)

cruel wife

playing while the cat is away

onigara yaki

anxiety

brute

Araneus ventricosus (species of orb-weaving spider)

ghost

brat

brat

skilled mahjong player

black swallower (Chiasmodon niger)

prickly water lily

god of poverty

ghost

man-eating fiend

person of strong constitution unexpectedly falling ill

Manchurian walnut (Juglans mandshurica)

oceanic manta ray (Manta birostris)

reef stonefish (Synanceia verrucosa)

wailings of a restless ghost

grind your inkstick gently but move your brush vigorously

hag