An izakaya: a Japanese bar or pub that serves alcoholic beverages and also sells snacks; a type of Japanese drinking establishment which also serves food to accompany the drinks. They are popular, casual places for after-work drinking.

a prefecture in the 中国 (Chūgoku) region of Japan facing the Seto Inland Sea; its capital city is also 岡山 (Okayama)

everything

(colloquial) current boyfriend

everyone, one and all

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

stock up

stocking up

buy on credit

(slang) To do the above.