(business) a company

billion, milliard

(slang) person who became millionaire by investing in stock, forex or cryptocurrency

everything

(colloquial) current boyfriend

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

everyone, one and all

a type of corporation under Japanese law, analogous to an American business corporation or British public limited company

joint venture

airline (company that flies airplanes)