Kyūjitai form of 一体化: unification; integration

one day

body

what

let's see; what have we got here

Nothing

which (of three or more) / which one /

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)