(by extension, in general) music played upon one's appearance on stage

(offensive, Internet slang) Alternative form of 子供部屋おじさん

(offensive, Internet slang) a man whose age is greater than about thirty or forty who lives in one's child room and with one's parent(s).

single room

double room

Synonym of 黄昏 (tasogare, “dusk; twilight”) / Synonym of 黄昏時 (tasogaredoki, “dusk; twilight”)

many a true word is spoken in jest; words spoken in jest may come true (often by accident)

reap what one sows, getting one's just deserts

to win by a surprise move

(idiomatic) the nail that sticks out gets hammered down